Restorative Dentistry & Endodontics

Volume 41 (4); November 2016

Review Article

Translucency changes of direct esthetic restorative materials after curing, aging and treatment: Yong-Keun Lee; Restor Dent Endod 2016;41(4):239-245. Published online July 14, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.239

The purpose of this article was to review the changes in translucency of direct esthetic restorative materials after curing, aging and treatment. As a criterion for the evaluation of clinical translucency changes, visual perceptibility threshold in translucency parameter difference (ΔTP) of 2 was used. Translucency changes after curing were perceivable depending on experimental methods and products (largest ΔTP in resin composites = 15.9). Translucency changes after aging were reported as either relatively stable or showed perceivable changes by aging protocols (largest ΔTP in resin composites = -3.8). Translucency changes after curing, aging and treatment were perceivable in several products and experimental methods. Therefore, shade matching of direct esthetic materials should be performed considering these instabilities of translucency in direct esthetic materials.

Citations

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Effect of Bleaching on Surface Roughness and Color Parameters of Coffee-Stained Nanohybrid Dental Composites with Different Viscosities
Hetaf S. Redwan, Mohamed A. Hussein, Mohamed M. Abdul-Monem
European Journal of General Dentistry.2025; 14(01): 027. CrossRef
Color variation of composite resins in relation to the Vita Classical shade guide
João Vitor Andrade Denadai, Roberto Zimmer, Eduardo Galia Reston, Guilherme Anziliero Arossi
Brazilian Journal of Oral Sciences.2024; 23: e240869. CrossRef
Effect of whitening concepts on surface roughness and optical characteristics of resin‐based composites: An AFM study
Ayse Tugba Erturk‐Avunduk, Ebru Delikan, Esra Cengiz‐Yanardag, Izgen Karakaya
Microscopy Research and Technique.2024; 87(2): 214. CrossRef
Color Appearance of Various Provisional Restorative Materials for Rehabilitation Upon Aging
Niwut Juntavee, Apa Juntavee, Supichaya Srisontisuk
European Journal of Dentistry.2023; 17(04): 1263. CrossRef
Comparison of mechanical and optical properties of a newly marketed universal composite resin with contemporary universal composite resins: An in vitro study
Sevil Gurgan, Uzay Koc Vural, Ivana Miletic
Microscopy Research and Technique.2022; 85(3): 1171. CrossRef
Comparison between translucencies of anterior resin composites and natural dental tissues
Melin Balci, Zeynep Ergucu, Esra Uzer Çelik, Lezize Sebnem Turkun
Color Research & Application.2021; 46(3): 635. CrossRef
Translucency of Zirconia Ceramics before and after Artificial Aging
Katarzyna Walczak, Heike Meißner, Ursula Range, Andreas Sakkas, Klaus Boening, Mieszko Wieckiewicz, Ioannis Konstantinidis
Journal of Prosthodontics.2019;[Epub] CrossRef
The Use of Composite Layering Technique to Mask a Discolored Background: Color Analysis of Masking Ability After Aging—Part II
BG Perez, LL Miotti, AH Susin, LB Durand
Operative Dentistry.2019; 44(5): 488. CrossRef

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Research Articles

Carbohydrate-electrolyte drinks exhibit risks for human enamel surface loss: Mary Anne Sampaio de Melo, Vanara Florêncio Passos, Juliana Paiva Marques Lima, Sérgio Lima Santiago, Lidiany Karla Azevedo Rodrigues; Restor Dent Endod 2016;41(4):246-254. Published online August 16, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.246

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Objectives

The aim of this investigation was to give insights into the impact of carbohydrate-electrolyte drinks on the likely capacity of enamel surface dissolution and the influence of human saliva exposure as a biological protective factor.

Materials and Methods

The pH, titratable acidity (TA) to pH 7.0, and buffer capacity (β) of common beverages ingested by patients under physical activity were analyzed. Then, we randomly distributed 50 specimens of human enamel into 5 groups. Processed and natural coconut water served as controls for testing three carbohydrate-electrolyte drinks. In all specimens, we measured surface microhardness (Knoop hardness numbers) and enamel loss (profilometry, µm) for baseline and after simulated intake cycling exposure model. We also prepared areas of specimens to be exposed to human saliva overnight prior to the simulated intake cycling exposure. The cycles were performed by alternated immersions in beverages and artificial saliva. ANOVA two-way and Tukey HDS tests were used.

Results

The range of pH, TA, and β were 2.85 - 4.81, 8.33 - 46.66 mM/L and 3.48 - 10.25 mM/L × pH, respectively. The highest capacity of enamel surface dissolution was found for commercially available sports drinks for all variables. Single time human saliva exposure failed to significantly promote protective effect for the acidic attack of beverages.

Conclusions

In this study, carbohydrate-electrolyte drinks usually consumed during endurance training may have a greater capacity of dissolution of enamel surface depending on their physicochemical proprieties associated with pH and titratable acidity.

Citations

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Evaluation of developmentally hypomineralised enamel after surface pretreatment with Papacarie Duo gel and different etching modes: an in vitro SEM and AFM study
Y.-L. Lee, K. C. Li, C. K. Y. Yiu, D. H. Boyd, M. Ekambaram
European Archives of Paediatric Dentistry.2022; 23(1): 117. CrossRef
Is the consumption of beverages and food associated to dental erosion? A cross-sectional study in Portuguese athletes
M.-R.G. Silva, M.-A. Chetti, H. Neves, M.-C. Manso
Science & Sports.2021; 36(6): 477.e1. CrossRef
Assessment of surface roughness changes on orthodontic acrylic resin by all-in-one spray disinfectant solutions
Kuei-ling Hsu, Abdulrahman A. Balhaddad, Isadora Martini Garcia, Fabricio Mezzomo Collares, Louis DePaola, Mary Anne Melo
Journal of Dental Research, Dental Clinics, Dental Prospects.2020; 14(2): 77. CrossRef
Nitrate-rich beetroot juice offsets salivary acidity following carbohydrate ingestion before and after endurance exercise in healthy male runners
Mia C. Burleigh, Nicholas Sculthorpe, Fiona L. Henriquez, Chris Easton, Yi-Hung Liao
PLOS ONE.2020; 15(12): e0243755. CrossRef
Dental erosion’ prevalence and its relation to isotonic drinks in athletes: a systematic review and meta-analysis
Pedro Henrique Pereira de Queiroz Gonçalves, Ludmila Silva Guimarães, Fellipe Navarro Azevedo de Azeredo, Letícia Maira Wambier, Lívia Azeredo A. Antunes, Leonardo Santos Antunes
Sport Sciences for Health.2020; 16(2): 207. CrossRef
Atomic force microscopy analysis of enamel nanotopography after interproximal reduction
Shadi Mohebi, Nazila Ameli
American Journal of Orthodontics and Dentofacial Orthopedics.2017; 152(3): 295. CrossRef

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Elemental analysis of caries-affected root dentin and artificially demineralized dentin: Young-Hye Sung, Ho-Hyun Son, Keewook Yi, Juhea Chang; Restor Dent Endod 2016;41(4):255-261. Published online August 19, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.255

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Objectives

This study aimed to analyze the mineral composition of naturally- and artificially-produced caries-affected root dentin and to determine the elemental incorporation of resin-modified glass ionomer (RMGI) into the demineralized dentin.

Materials and Methods

Box-formed cavities were prepared on buccal and lingual root surfaces of sound human premolars (n = 15). One cavity was exposed to a microbial caries model using a strain of Streptococcus mutans. The other cavity was subjected to a chemical model under pH cycling. Premolars and molars with root surface caries were used as a natural caries model (n = 15). Outer caries lesion was removed using a carbide bur and a hand excavator under a dyeing technique and restored with RMGI (FujiII LC, GC Corp.). The weight percentages of calcium (Ca), phosphate (P), and strontium (Sr) and the widths of demineralized dentin were determined by electron probe microanalysis and compared among the groups using ANOVA and Tukey test (p < 0.05).

Results

There was a pattern of demineralization in all models, as visualized with scanning electron microscopy. Artificial models induced greater losses of Ca and P and larger widths of demineralized dentin than did a natural caries model (p < 0.05). Sr was diffused into the demineralized dentin layer from RMGI.

Conclusions

Both microbial and chemical caries models produced similar patterns of mineral composition on the caries-affected dentin. However, the artificial lesions had a relatively larger extent of demineralization than did the natural lesions. RMGI was incorporated into the superficial layer of the caries-affected dentin.

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Frontiers of Global Research Trend on Root Caries: A Bibliometric Analysis
Grace Yuchan Xu, Irene Shuping Zhao, Christie Ying Kei Lung, Iris Xiaoxue Yin, Edward Chin Man Lo, Chun Hung Chu
International Dental Journal.2024; 74(6): 1197. CrossRef
Effects of NaF versus SDF treatment on microhardness of artificial radiation caries at cervical and root areas
Pipop SAIKAEW, Karis KATEKOVIT, Anocha BURANARACHADA, Nattapat SAIMALA, Anussara PRAYONGRAT, Pornpoj FUANGTHARNTHIP
Dental Materials Journal.2024; 43(4): 591. CrossRef
Degradable polycaprolactone/buffer composites as pH regulating carrier materials for drug delivery and 3D printed biomaterials
Therese Schüler, Celine Guder, Franziska Alt, Katrin Lorenz, Torsten Sterzenbach, Christian Hannig, Hans-Peter Wiesmann, Benjamin Kruppke
Materialia.2024; 34: 102087. CrossRef
The Effect of Oral Care Foams and a Spray on Salivary pH Changes after Exposure to Acidic Beverages in Young Adults
Maria Polyakova, Anna Egiazaryan, Vladlena Doroshina, Alexandr Zaytsev, Alexey Malashin, Ksenia Babina, Nina Novozhilova
Dentistry Journal.2024; 12(4): 93. CrossRef
In Vitro Models Used in the Formation of Root Caries Lesions—A Review of the Literature
Zaid Dohan, Lara T. Friedlander, Paul R. Cooper, Kai-Chun Li, Jithendra T. Ratnayake, May L. Mei
Dentistry Journal.2023; 11(12): 269. CrossRef
Yttrium Trifluoride as a Marker of Infiltration Rate of Decalcified Root Cementum: An In Vitro Study
Anna Nowak-Wachol, Anna Korytkowska-Wałach, Bartosz Chmiela, Kacper Wachol, Maciej Łopaciński, Magdalena Wyszyńska, Yousuf Al-Dulaimi, Małgorzata Skucha-Nowak
Polymers.2022; 14(4): 780. CrossRef
Effect of fluoride, chlorhexidine or Nd:YAG on the progression of root dentin demineralization after removal of the demineralized organic matrix
Andrea Maselli, Tânia Mara da Silva, Lucélia Lemes Gonçalves, Aline Silva Braga, Eduardo Bresciani, Ana Carolina Magalhães, Sérgio Eduardo de Paiva Gonçalves
Journal of Applied Oral Science.2022;[Epub] CrossRef
Effect of ionizing radiation and cariogenic biofilm challenge on root-dentin caries
Camila de Carvalho Almança Lopes, Renata Borges Rodrigues, Maximiliano Sérgio Cenci, Juliana Lays Stolfo Uehara, Tamires Timm Maske, Pedro Henrique Justino Oliveira Limirio, Priscilla Barbosa Ferreira Soares, Veridiana Resende Novais
Clinical Oral Investigations.2021; 25(6): 4059. CrossRef
Silver diamine fluoride treatment of active root caries lesions in older adults: A case series
Chelsea Mitchell, Andrew J Gross, Peter Milgrom, Lloyd Mancl, David B Prince
Journal of Dentistry.2021; 105: 103561. CrossRef
A Hydrogel Drink With High Fructose Content Generates Higher Exogenous Carbohydrate Oxidation and a Reduced Drop in Dental Biofilm pH Compared to Two Other, Commercially Available, Carbohydrate Sports Drinks
Stefan Pettersson, Martin Ahnoff, Fredrik Edin, Peter Lingström, Charlotte Simark Mattsson, Ulrika Andersson-Hall
Frontiers in Nutrition.2020;[Epub] CrossRef

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Healing outcomes of root canal treatment for C-shaped mandibular second molars: a retrospective analysis: Hye-Ra Ahn, Young-Mi Moon, Sung-Ok Hong, Min-Seock Seo; Restor Dent Endod 2016;41(4):262-270. Published online August 29, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.262

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Objectives

This study aimed to evaluate the healing rate of non-surgical endodontic treatment between C-shaped and non-C-shaped mandibular second molars.

Materials and Methods

Clinical records and radiological images of patients who had undergone endodontic treatment on mandibular second molars between 2007 and 2014 were screened. The periapical index scoring system was applied to compare healing outcomes. Information about preoperative and postoperative factors as well as the demographic data of the patients was acquired and evaluated using chi-square and multinomial logistic regression tests.

Results

The total healing rate was 68.4%. Healing rates for the mandibular second molar were 70.9% in C-shaped canals (n = 79) and 66.6% in non-C-shaped ones (n = 117). The difference was not statistically significant.

Conclusions

The presence of a C-shaped canal in the mandibular second molar did not have a significantly negative effect on healing after treatment. Instead, proper pulpal diagnosis and final restoration were indicated as having significantly greater influence on the healing outcomes of C-shaped and non-C-shaped canals, respectively.

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Predicting early endodontic treatment failure following primary root canal treatment
Young-Eun Jang, Yemi Kim, Sin-Young Kim, Bom Sahn Kim
BMC Oral Health.2024;[Epub] CrossRef
Factors Influencing Non-Surgical Root Canal Treatment Outcomes in Mandibular Second Molars: A Retrospective Cone-Beam Computed Tomography Analysis
Da-Min Park, Woo-Hyun Seok, Ji-Young Yoon
Journal of Clinical Medicine.2024; 13(10): 2931. CrossRef
Retrospective Assessment of Healing Outcome of Endodontic Treatment for Mandibular Molars with C-shaped Root Canal
Kishore Kumar Majety, Basanta Kumar Choudhury, Anika Bansal, Achla Sethi, Jaina Panjabi
The Journal of Contemporary Dental Practice.2017; 18(7): 591. CrossRef

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Effects of radiant exposure and wavelength spectrum of light-curing units on chemical and physical properties of resin cements: Adriano Fonseca Lima, Stephanie Ellen Ferreira Formaggio, Lígia França Aires Zambelli, Alan Rodrigo Muniz Palialol, Giselle Maria Marchi, Cintia Helena Coury Saraceni, Marcelo Tavares de Oliveira; Restor Dent Endod 2016;41(4):271-277. Published online September 26, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.271

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Objectives

In this study, we evaluated the influence of different radiant exposures provided by single-peak and polywave light-curing units (LCUs) on the degree of conversion (DC) and the mechanical properties of resin cements.

Materials and Methods

Six experimental groups were established for each cement (RelyX ARC, 3M ESPE; LuxaCore Dual, Ivoclar Vivadent; Variolink, DMG), according to the different radiant exposures (5, 10, and 20 J/cm²) and two LCUs (single-peak and polywave). The specimens were made (7 mm in length × 2 mm in width × 1 mm in height) using silicone molds. After 24 hours of preparation, DC measurement was performed using Fourier transform infrared spectrometry. The same specimens were used for the evaluation of mechanical properties (flexural strength, FS; elastic modulus, E) by a three-point bending test. Data were assessed for normality, after which two-way analysis of variance (ANOVA) and post hoc Tukey's test were performed.

Results

No properties of the Variolink cement were influenced by any of the considered experimental conditions. In the case of the RelyX ARC cement, DC was higher when polywave LCU was used; FS and E were not influenced by the conditions evaluated. The LuxaCore cement showed greater sensitivity to the different protocols.

Conclusions

On the basis of these results, both the spectrum of light emitted and the radiant exposure used could affect the properties of resin cements. However, the influence was material-dependent.

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Light Transmittance and Depth of Cure of a Bulk Fill Composite Based on the Exposure Reciprocity Law
Mateus Garcia Rocha, Jean-François Roulet, Mario Alexandre Coelho Sinhoreti, Américo Bortolazzo Correr, Dayane Oliveira
Brazilian Dental Journal.2021; 32(1): 78. CrossRef

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Comparative assessment of antibacterial activity of different glass ionomer cements on cariogenic bacteria: Rahul Gaybarao Naik, Arun Suresh Dodamani, Mahesh Ravindra Khairnar, Harish Chaitram Jadhav, Manjiri Abhay Deshmukh; Restor Dent Endod 2016;41(4):278-282. Published online September 20, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.278

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Objectives

Glass ionomer cements (GICs), which are biocompatible and adhesive to the tooth surface, are widely used nowadays for tooth restoration. They inhibit the demineralization and promote the remineralization of the tooth structure adjacent to the restoration, as well as interfere with bacterial growth. Hence, the present study was conducted to assess and compare the antimicrobial activity of three commercially available GICs against two cariogenic bacteria.

Materials and Methods

An agar plate diffusion test was used for evaluating the antimicrobial effect of three different GICs (Fuji IX, Ketac Molar, and d-tech) on Streptococcus mutans (S. mutans) and Lactobacillus acidophilus (L. acidophilus). Thirty plates were prepared and divided into two groups. The first group was inoculated with S. mutans, and the second group was inoculated with L. acidophilus. These plates were then incubated at 37℃ for 24 hours. Zones of bacterial growth inhibition that formed around each well were recorded in millimeters (mm).

Results

The zones of inhibition for Fuji IX, Ketac Molar, and d-tech on S. mutans were found to be 10.84 ± 0.22 mm, 10.23 ± 0.15 mm, and 15.65 ± 0.31 mm, respectively, whereas those for L. acidophilus were found to be 10.43 ± 0.12 mm, 10.16 ± 0.11 mm, and 15.57 ± 0.13 mm, respectively.

Conclusions

D-tech cement performed better in terms of the zone of bacterial inhibition against the two test bacteria, than the other two tested glass ionomers.

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Modifications of polyalkenoic acid and its effect on glass ionomer cement
Sreejith Sasidharan Lathikumari, Manju Saraswathy
Materials Advances.2024; 5(7): 2719. CrossRef
Evaluation of the Clinical Impact and In Vitro Antibacterial Activities of Two Bioactive Restoratives against S. mutans ATCC 25175 in Class II Carious Restorations
YA Maher, MT Rajeh, FA Hamooda, GO Zerain, RM Habis, RH Sulaimani, ST Albar, FMH Ali, NA Abdelaleem
Nigerian Journal of Clinical Practice.2023; 26(4): 404. CrossRef
Effect of conditioning and 3-year aging on the bond strength and interfacial morphology of glass-ionomer cement bonded to dentin
Ahmed Zubaer, Rime Shamme Akter, Al Azad Salahuddin, Rahman Mir Ayubur, Sano Hidehiko, Hoshika Shuhei
Journal of Dental Sciences.2022;[Epub] CrossRef
Comparison and Advanced Antimicrobial Strategies of Silver and Copper Nanodrug-Loaded Glass Ionomer Cement against Dental Caries Microbes
Amal Adnan Ashour, Mohammed Fareed Felemban, Nayef H. Felemban, Enas T. Enan, Sakeenabi Basha, Mohamed M. Hassan, Sanaa M. F. Gad El-Rab
Antibiotics.2022; 11(6): 756. CrossRef
Antibacterial Activity and Biofilm Inhibition of New-Generation Hybrid/Fluoride-Releasing Restorative Materials
Sevil Gurgan, Uzay Koc Vural, Cansu Atalay, Herve Tassery, Ivana Miletic, Suna Sibel Gurpinar
Applied Sciences.2022; 12(5): 2434. CrossRef
Comparative evaluation of long-term fluoride release and antibacterial activity of an alkasite, nanoionomer, and glass ionomer restorative material – An in vitro study
RV Aparajitha, PSenthamil Selvan, AShafie Ahamed, S Bhavani, V Nagarajan
Journal of Conservative Dentistry.2021; 24(5): 485. CrossRef
Dental Restorative Materials for Elderly Populations
Yuyao Huang, Bingqing Song, Xuedong Zhou, Hui Chen, Haohao Wang, Lei Cheng
Polymers.2021; 13(5): 828. CrossRef
The Comparison of Biofilm Formation, Mechanical and Chemical Properties between Glass Ionomer Cement and Giomer
Sylva Dinie Alinda, Anggraini Margono, Aditya Wisnu Putranto, Ike Dwi Maharti, Retno Amalina, Sherly Firsta Rahmi
The Open Dentistry Journal.2021; 15(1): 274. CrossRef
Effect of conditioning and 1 year aging on the bond strength and interfacial morphology of glass-ionomer cement bonded to dentin
Shuhei Hoshika, Shihchun Ting, Zubaer Ahmed, Fei Chen, Yu Toida, Norihito Sakaguchi, Bart Van Meerbeek, Hidehiko Sano, Sharanbir K. Sidhu
Dental Materials.2021; 37(1): 106. CrossRef
The synergistic effects of SrF2 nanoparticles, YSZ nanoparticles, and poly-ε-l-lysin on physicomechanical, ion release, and antibacterial-cellular behavior of the flowable dental composites
Saeed Hesaraki, Mohammad Karimi, Nader Nezafati
Materials Science and Engineering: C.2020; 109: 110592. CrossRef

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In vitro characterization of human dental pulp stem cells isolated by three different methods: Ji-Hyun Jang, Hyeon-Woo Lee, Kyu Min Cho, Hee-Woong Shin, Mo Kwan Kang, Sang Hyuk Park, Euiseong Kim; Restor Dent Endod 2016;41(4):283-295. Published online October 12, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.283

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Objectives

In this study, we characterized human dental pulp cells (HDPCs) obtained by different culture methods to establish the most suitable methodology for dental tissue engineering and regenerative endodontic applications.

Materials and Methods

HDPCs were isolated by the outgrowth method (HDPCs-OG), the enzymatic digestion method (collagenase/dispase/trypsin, HDPCs-ED), or the combination of both methods (HDPCs-Combined). The expression of mesenchymal stem cell markers (CD105, CD90, and CD73) was investigated. In vitro differentiation capacities of HDPCs into adipogenic, osteogenic, and chondrogenic lineages were compared. Differentiation markers were analyzed by quantitative reverse-transcription polymerase chain reaction (RT-PCR) and western blotting.

Results

Our data indicated that whole HDPCs-ED, HPDCs-OG, and HDPCs-Combined could be differentiated into adipogenic, chrondrogenic, and osteogenic cell types. However, we found that the methods for isolating and culturing HDPCs influence the differentiation capacities of cells. HDPCs-OG and HDPCs-ED were preferably differentiated into adipogenic and osteogenic cells, respectively. Differentiation markers shown by RT-PCR and western blotting analysis were mostly upregulated in the treated groups compared with the control groups.

Conclusions

Our findings confirmed that cell populations formed by two different culture methods and the combined culture method exhibited different properties. The results of this study could provide an insight into regenerative endodontic treatment using HDPCs.

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Huailong Hou, Zhengjun Qiu, Jingyi Che, Yanping Li, Jingxuan Sun, Weiwei Zhang, Jinjie Ma, Shuang Zhang, Mengdi Li, Yumei Niu, Lina He
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ISOLATION OF HUMAN ADULT DENTAL PULP STEM CELLS USING ENZYMATIC DIGESTION
Sehrish Khan, Saima Butt, Shumaila Usman, Sana Mirza
JOURNAL OF KHYBER COLLEGE OF DENTISTRY.2024; 14(4): 9. CrossRef
Diş Hekimliğinde Oromaksillofasiyal Bölgeden Alınabilen Mezenkimal Kök Hücreler
Sefer MAHMUTOĞLU, Ayşegül MENDİ, Derviş YILMAZ
ADO Klinik Bilimler Dergisi.2022; 11(2): 184. CrossRef
Sinking Our Teeth in Getting Dental Stem Cells to Clinics for Bone Regeneration
Sarah Hani Shoushrah, Janis Lisa Transfeld, Christian Horst Tonk, Dominik Büchner, Steffen Witzleben, Martin A. Sieber, Margit Schulze, Edda Tobiasch
International Journal of Molecular Sciences.2021; 22(12): 6387. CrossRef
Isolation, Characterization, and Differentiation of Stem Cells From Various Dental Sources: An In Vitro Study
Sandeep S. Katti, Kishore Bhat, Chetana Bogar
Journal of Advanced Oral Research.2021; 12(2): 254. CrossRef
Intra-Individual Variability of Human Dental Pulp Stem Cell Features Isolated from the Same Donor
Nela Pilbauerova, Jan Schmidt, Tomas Soukup, Jan Duska, Jakub Suchanek
International Journal of Molecular Sciences.2021; 22(24): 13515. CrossRef
Comparison of Osteogenic Potentials of Dental Pulp and Bone Marrow Mesenchymal Stem Cells Using the New Cell Transplantation Platform, CellSaic, in a Rat Congenital Cleft-Jaw Model
Jinzhao Lyu, Yoshiya Hashimoto, Yoshitomo Honda, Naoyuki Matsumoto
International Journal of Molecular Sciences.2021; 22(17): 9478. CrossRef
In Vitro Characterization of Dental Pulp Stem Cells Cultured in Two Microsphere-Forming Culture Plates
Nam-Ung Bu, Hyo-Seol Lee, Bin-Na Lee, Yun-Chan Hwang, Sun-Young Kim, Seok Woo Chang, Kyoung-Kyu Choi, Duck-Su Kim, Ji-Hyun Jang
Journal of Clinical Medicine.2020; 9(1): 242. CrossRef
Micro-computed tomographic evaluation of the flow and filling ability of endodontic materials using different test models
Fernanda Ferrari Esteves Torres, Juliane Maria Guerreiro-Tanomaru, Gisselle Moraima Chavez-Andrade, Jader Camilo Pinto, Fábio Luiz Camargo Villela Berbert, Mario Tanomaru-Filho
Restorative Dentistry & Endodontics.2020;[Epub] CrossRef
Enzymatic Isolation, Amplification and Characterization of Dental Pulp Stem Cells
Nela Pilbauerova, T. Soukup, T. Suchánková Kleplová, J. Suchánek
Folia Biologica.2019; 65(3): 124. CrossRef
Metabolism as an early predictor of DPSCs aging
Dannie Macrin, Ammar Alghadeer, Yan Ting Zhao, Jason W. Miklas, Abdiasis M. Hussein, Damien Detraux, Aaron M. Robitaille, Anup Madan, Randall T. Moon, Yuliang Wang, Arikketh Devi, Julie Mathieu, Hannele Ruohola-Baker
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Duaa A. Abuarqoub, Nazneen Aslam, Raghda B. Barham, Nidaa A. Ababneh, Diana A. Shahin, Abdallah A. Al-oweidi, Hanan D. Jafar, Mazin A. Al-Salihi, Abdalla S. Awidi
PeerJ.2019; 7: e7465. CrossRef
Progress in the use of dental pulp stem cells in regenerative medicine
Eduardo Anitua, María Troya, Mar Zalduendo
Cytotherapy.2018; 20(4): 479. CrossRef
Identification of a novel heterozygous mutation of ACAN in a Korean family with proportionate short stature
Yoo-Mi Kim, Chong Kun Cheon, Han Hyuk Lim, Han-Wook Yoo
Journal of Genetic Medicine.2018; 15(2): 102. CrossRef
Conditioned medium from relapsing-remitting multiple sclerosis patients reduces the expression and release of inflammatory cytokines induced by LPS-gingivalis in THP-1 and MO3.13 cell lines
Patrizia Ballerini, Francesca Diomede, Nicola Petragnani, Simona Cicchitti, Ilaria Merciaro, Marcos F.X.B. Cavalcanti, Oriana Trubiani
Cytokine.2017; 96: 261. CrossRef

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Effects of proanthocyanidin, a crosslinking agent, on physical and biological properties of collagen hydrogel scaffold: Yoorina Choi, Hee-Jin Kim, Kyung-San Min; Restor Dent Endod 2016;41(4):296-303. Published online October 4, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.296

Abstract PDF PubReader ePub

Objectives

The purpose of the present study was to evaluate the effects of proanthocyanidin (PAC), a crosslinking agent, on the physical properties of a collagen hydrogel and the behavior of human periodontal ligament cells (hPDLCs) cultured in the scaffold.

Materials and Methods

Viability of hPDLCs treated with PAC was measured using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The physical properties of PAC treated collagen hydrogel scaffold were evaluated by the measurement of setting time, surface roughness, and differential scanning calorimetry (DSC). The behavior of the hPDLCs in the collagen scaffold was evaluated by cell morphology observation and cell numbers counting.

Results

The setting time of the collagen scaffold was shortened in the presence of PAC (p < 0.05). The surface roughness of the PAC-treated collagen was higher compared to the untreated control group (p < 0.05). The thermogram of the crosslinked collagen exhibited a higher endothermic peak compared to the uncrosslinked one. Cells in the PAC-treated collagen were observed to attach in closer proximity to one another with more cytoplasmic extensions compared to cells in the untreated control group. The number of cells cultured in the PAC-treated collagen scaffolds was significantly increased compared to the untreated control (p < 0.05).

Conclusions

Our results showed that PAC enhanced the physical properties of the collagen scaffold. Furthermore, the proliferation of hPDLCs cultured in the collagen scaffold crosslinked with PAC was facilitated. Conclusively, the application of PAC to the collagen scaffold may be beneficial for engineering-based periodontal ligament regeneration in delayed replantation.

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A highly biocompatible CE-crosslinked collagen implant with exceptional anti-calcification and collagen regeneration capabilities for aging skin rejuvenation
Qi Wang, Huiyu Yan, Linyan Yao, Wenhua Li, Jianxi Xiao
Journal of Materials Chemistry B.2024; 12(18): 4467. CrossRef
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Screw-in forces during instrumentation by various file systems: Jung-Hong Ha, Sang Won Kwak, Sung-Kyo Kim, Hyeon-Cheol Kim; Restor Dent Endod 2016;41(4):304-309. Published online November 8, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.304

Abstract PDF PubReader ePub

Objectives

The purpose of this study was to compare the maximum screw-in forces generated during the movement of various Nickel-Titanium (NiTi) file systems.

Materials and Methods

Forty simulated canals in resin blocks were randomly divided into 4 groups for the following instruments: Mtwo size 25/0.07 (MTW, VDW GmbH), Reciproc R25 (RPR, VDW GmbH), ProTaper Universal F2 (PTU, Dentsply Maillefer), and ProTaper Next X2 (PTN, Dentsply Maillefer, n = 10). All the artificial canals were prepared to obtain a standardized lumen by using ProTaper Universal F1. Screw-in forces were measured using a custom-made experimental device (AEndoS-k, DMJ system) during instrumentation with each NiTi file system using the designated movement. The rotation speed was set at 350 rpm with an automatic 4 mm pecking motion at a speed of 1 mm/sec. The pecking depth was increased by 1 mm for each pecking motion until the file reach the working length. Forces were recorded during file movement, and the maximum force was extracted from the data. Maximum screw-in forces were analyzed by one-way ANOVA and Tukey's post hoc comparison at a significance level of 95%.

Results

Reciproc and ProTaper Universal files generated the highest maximum screw-in forces among all the instruments while M-two and ProTaper Next showed the lowest (p < 0.05).

Conclusions

Geometrical differences rather than shaping motion and alloys may affect the screw-in force during canal instrumentation. To reduce screw-in forces, the use of NiTi files with smaller cross-sectional area for higher flexibility is recommended.

Citations

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Screw-in force, torque generation, and performance of glide-path files with three rotation kinetics
Jee-Yeon Woo, Ji-Hyun Jang, Seok Woo Chang, Soram Oh
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Comparative evaluation of stress distribution against the root canal wall at three different levels using novel NiTi rotary files – A finite element analysis
Rimjhim Singh, Sandeep Dubey, Palak Singh, Praveen Singh Samant, Suparna Ganguly Saha
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Effect of Periodic Changes in Rotation Speed on Torsional Stress and Screw-in Force by Alternative Rotation Technique
Jung-Hong Ha, Hyo-Jin Jo, Sang Won Kwak, Asgeir Sigurdsson, Hyeon-Cheol Kim
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A Comparative Evaluation of the Apically Extruded Debris from Root Canals Prepared by R-Motion NiTi File System
Farah B. Al-Saffar, Hikmet A. Al-Gharrawi, Luca Testarelli
International Journal of Dentistry.2023; 2023: 1. CrossRef
Effect of Rotational Modes on Torque/Force Generation and Canal Centering Ability during Rotary Root Canal Instrumentation with Differently Heat-Treated Nickel–Titanium Instruments
Satoshi Omori, Arata Ebihara, Keiko Hirano, Yuka Kasuga, Hayate Unno, Taro Nakatsukasa, Shunsuke Kimura, Keiichiro Maki, Takao Hanawa, Takashi Okiji
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Effect of Core Mass and Alloy on Cyclic Fatigue Resistance of Different Nickel-Titanium Endodontic Instruments in Matching Artificial Canals
Sebastian Bürklein, Lennart Zupanc, David Donnermeyer, Karsten Tegtmeyer, Edgar Schäfer
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Comparison of Torque, Screw-in Force, and Shaping Ability of Glide Path Instruments in Continuous Rotation and Optimum Glide Path Motion
Pyae Hein Htun, Arata Ebihara, Keiichiro Maki, Shunsuke Kimura, Miki Nishijo, Moe Sandar Kyaw, Takashi Okiji
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Analysis of Torque and Force Induced by Rotary Nickel-Titanium Instruments during Root Canal Preparation: A Systematic Review
Myint Thu, Arata Ebihara, Sherif Adel, Takashi Okiji
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M. S. Kyaw, A. Ebihara, Y. Kasuga, K. Maki, S. Kimura, P. H. Htun, T. Nakatsukasa, T. Okiji
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Gustavo de Cristofaro Almeida, Diego Pinheiro Aun, Pedro Damas Resende, Isabella Faria da Cunha Peixoto, Ana Cecília Diniz Viana, Vicente Tadeu Lopes Buono, Maria Guiomar de Azevedo Bahia
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Keiichiro MAKI, Arata EBIHARA, Shunsuke KIMURA, Miki NISHIJO, Daisuke TOKITA, Kana MIYARA, Takashi OKIJI
Dental Materials Journal.2020; 39(2): 251. CrossRef
Ex-Vivo Comparison of Torsional Stress on Nickel–Titanium Instruments Activated by Continuous Rotation or Adaptive Motion
Joo Yeong Lee, Sang Won Kwak, Jung-Hong Ha, Hyeon-Cheol Kim
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Evaluation of stress distribution in nickel-titanium rotary instruments with different geometrical designs subjected to bending and torsional load: a finite element study
Manar Galal, Tamer M. Hamdy
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Tong FANGLI, Keiichiro MAKI, Shunsuke KIMURA, Miki NISHIJO, Daisuke TOKITA, Arata EBIHARA, Takashi OKIJI
Dental Materials Journal.2019; 38(3): 490. CrossRef
Comparison of Screw-In Forces during Movement of Endodontic Files with Different Geometries, Alloys, and Kinetics
Sang Won Kwak, Chan-Joo Lee, Sung Kyo Kim, Hyeon-Cheol Kim, Jung-Hong Ha
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Shweta Jain, Sachin Jain, Shikha Jain, Sophia Thakur
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Maamoun Ataya, Jung-Hong Ha, Sang Won Kwak, Ibrahim H. Abu-Tahun, Rashid El Abed, Hyeon-Cheol Kim
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Miki NISHIJO, Arata EBIHARA, Daisuke TOKITA, Hisashi DOI, Takao HANAWA, Takashi OKIJI
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Case Reports

Apicoectomy of maxillary anterior teeth through a piezoelectric bony-window osteotomy: two case reports introducing a new technique to preserve cortical bone: Viola Hirsch, Meetu R. Kohli, Syngcuk Kim; Restor Dent Endod 2016;41(4):310-315. Published online July 5, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.310

Abstract PDF PubReader ePub

Two case reports describing a new technique of creating a repositionable piezoelectric bony window osteotomy during apicoectomy in order to preserve bone and act as an autologous graft for the surgical site are described. Endodontic microsurgery of anterior teeth with an intact cortical plate and large periapical lesion generally involves removal of a significant amount of healthy bone in order to enucleate the diseased tissue and manage root ends. In the reported cases, apicoectomy was performed on the lateral incisors of two patients. A piezoelectric device was used to create and elevate a bony window at the surgical site, instead of drilling and destroying bone while making an osteotomy with conventional burs. Routine microsurgical procedures - lesion enucleation, root-end resection, and filling - were carried out through this window preparation. The bony window was repositioned to the original site and the soft tissue sutured. The cases were re-evaluated clinically and radiographically after a period of 12 - 24 months. At follow-up, radiographic healing was observed. No additional grafting material was needed despite the extent of the lesions. The indication for this procedure is when teeth present with an intact or near-intact buccal cortical plate and a large apical lesion to preserve the bone and use it as an autologous graft.

Citations

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Se‐Won Ha, Stephanie M. Choi, Sunil Kim, Minju Song, Kyung‐Seok Hu, Euiseong Kim
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Hanguo Wang, Xin Xu, Zhuan Bian, Jingping Liang, Zhi Chen, Benxiang Hou, Lihong Qiu, Wenxia Chen, Xi Wei, Kaijin Hu, Qintao Wang, Zuhua Wang, Jiyao Li, Dingming Huang, Xiaoyan Wang, Zhengwei Huang, Liuyan Meng, Chen Zhang, Fangfang Xie, Di Yang, Jinhua Yu
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Paula Andrea Villa‐Machado, Felipe Augusto Restrepo‐Restrepo, Sergio Iván Tobón‐Arroyave
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Rafael Fernández-Grisales, Wilder Rojas, Carolina Berruecos-Orozco
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Lucia Schiavon, Alessandro Perini, Giulia Brunello, Giada Ferrante, Massimo Del Fabbro, Daniele Botticelli, Fouad Khoury, Stefano Sivolella
International Journal of Implant Dentistry.2022;[Epub] CrossRef
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Frank C. Setzer, Samuel I. Kratchman
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Charles Ezechukwu Anyanechi
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Cheng Bi, Mengting Zhou, Yu Zhang, Pei Zheng
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Bone Window Technique in Endodontic Microsurgery – Report of Two Cases
Spyros Floratos, Vasileios Molonis, Apostolos Tsolakis, Stylianos Kykalos, Konstantinos Kontzoglou
Journal of Endodontic Microsurgery.2022; 2: 24. CrossRef
Effect of the Piezoelectric Device on Intraoperative Hemorrhage Control and Quality of Life after Endodontic Microsurgery: A Randomized Clinical Study
Jaya Bharathi, Shweta Mittal, Sanjay Tewari, Shikha Tewari, Jigyasa Duhan, Pankaj Sangwan, Vinay Kumar
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MeetkumarS Dedania, NimishaC Shah, Ankit Arora, Nidhi Pisal
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The Application of “Bone Window” Technique in Endodontic Microsurgery
Su-Min Lee, Ya-Hsin Yu, Yu Wang, Euiseong Kim, Syngcuk Kim
Journal of Endodontics.2020; 46(6): 872. CrossRef
Evaluation of surface integrity of root end cavities prepared using conventional and piezoelectric devices: A scanning electron microscopy study
MithraN Hegde, ManjiriNagesh Honap, Sreenath Narayanan
Indian Journal of Dental Research.2019; 30(5): 772. CrossRef
Targeted Endodontic Microsurgery: Computed Tomography–based Guided Stent Approach with Platelet-rich Fibrin Graft: A Report of 2 Cases
Witold Popowicz, Aleksandra Palatyńska-Ulatowska, Meetu Ralli Kohli
Journal of Endodontics.2019; 45(12): 1535. CrossRef
The bone lid technique in oral surgery: a case series study
S. Sivolella, G. Brunello, F. Fistarol, E. Stellini, C. Bacci
International Journal of Oral and Maxillofacial Surgery.2017; 46(11): 1490. CrossRef

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Microsurgical re-treatment of an endodontically treated tooth with an apically located incomplete vertical root fracture: a clinical case report: Silvio Taschieri, Massimo Del Fabbro, Ahmed El Kabbaney, Igor Tsesis, Eyal Rosen, Stefano Corbella; Restor Dent Endod 2016;41(4):316-321. Published online June 21, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.316

Abstract PDF PubReader ePub

Although it is challenging, the early diagnosis of a vertical root fracture (VRF) is crucial in order to ensure tooth preservation. The purpose of this clinical case report was to describe reparative surgery performed to treat a tooth affected by an incomplete VRF. A 26 year old male patient was suspected to have a VRF in a maxillary left central incisor, and an exploratory flap was performed in order to confirm the diagnosis. After detecting the fracture, the lesion was surgically treated, the fracture and the infected root-end were removed, and a platelet-rich plasma membrane was used to cover the defect in order to prevent bacterial migration. A 24 month clinical and radiological follow-up examination showed that the tooth was asymptomatic and that the healing process was in progress. The surgical approach described here may be considered an effective treatment for a combined endodontic-periodontal lesion originating from an incomplete VRF and a recurrent periapical lesion.

Citations

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Biomechanical perspectives on dentine cracks and fractures: Implications in their clinical management
Sishi Chen, Dwayne Arola, Domenico Ricucci, Brian E. Bergeron, John A. Branton, Li-sha Gu, Franklin R. Tay
Journal of Dentistry.2023; 130: 104424. CrossRef
Efficacy of Autologous Platelet Concentrates in Regenerative Endodontic Treatment: A Systematic Review of Human Studies
Joanna Metlerska, Irini Fagogeni, Alicja Nowicka
Journal of Endodontics.2019; 45(1): 20. CrossRef
The preservation of teeth with root-originated fractures
Eyal Rosen, Ilan Beitlitum, Igor Tsesis
Evidence-Based Endodontics.2018;[Epub] CrossRef

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Radix mesiolingualis and radix distolingualis: a case report of a tooth with an unusual morphology: Gurudutt Nayak, Himanshu Aeran, Inderpreet Singh; Restor Dent Endod 2016;41(4):322-331. Published online July 14, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.322

Abstract PDF PubReader ePub

Variation in the root and canal morphology of the maxillary first molars is quite common. The most common configuration is 3 roots and 3 or 4 canals. Nonetheless, other possibilities still exist. The presence of an additional palatal root is rather uncommon and has been reported to have an incidence of 0.06 - 1.6% in varying populations studied. Whenever two palatal roots exist, one of them is the normal palatal root, the other is a supernumerary structure which can be located either mesiolingually (radix mesiolingualis) or distolingually (radix distolingualis). This case report describes successful endodontic treatment of a maxillary first molar with radix mesiolingualis and radix distolingualis. Identification of this variation was done through clinical examination along with the aid of multiangled radiographs, and an accurate assessment of this morphology was made with the help of a cone-beam computed tomography imaging. In addition to the literature review, this article also discusses the epidemiology, classifications, morphometric features, guidelines for diagnosis, and endodontic management of a maxillary first molar with extra-palatal root.

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Gabriel Magnucki, Sven V. K. Mietling, Sreekanth Kumar Mallineni
International Journal of Dentistry.2021; 2021: 1. CrossRef

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Mandibular bone necrosis after use of paraformaldehyde-containing paste: Chi-hwan Lee, Yoorina Choi, Sujung Park; Restor Dent Endod 2016;41(4):332-337. Published online November 8, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.332

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Paraformaldehyde has been used in the past as a pulpotomy agent. However, it has a severe cytotoxic effect and may cause alveolar bone necrosis. Depulpin, a devitalizing agent containing 49% paraformaldehyde, is no longer used frequently due to its severe side effects. In the two cases described in the present study, Depulpin was used as a devitalizing agent during root canal treatment. It caused a gradual loss of sensibility in adjacent teeth, gingival necrosis, and osteomyelitis. This case report demonstrates the serious side effects of using a paraformaldehyde-containing paste as a devitalizing agent for pulp, particularly mandibular bone necrosis.

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Cosimo Nardi, Linda Calistri, Giulia Grazzini, Isacco Desideri, Chiara Lorini, Mariaelena Occhipinti, Francesco Mungai, Stefano Colagrande
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Open Lecture on Statistics

Statistical notes for clinical researchers: Definition and comparison of risk and odds: Hae-Young Kim; Restor Dent Endod 2016;41(4):338-340. Published online October 4, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.338

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Readers' Forum

Relationship between laboratory bond strengths and clinical performance of dentin adhesives: Young-Kyung Kim; Restor Dent Endod 2016;41(4):341-342. Published online October 10, 2016; DOI: https://doi.org/10.5395/rde.2016.41.4.341

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