Restorative Dentistry & Endodontics

Statistical notes for clinical researchers: covariance and correlation: Hae-Young Kim; Restor Dent Endod 2018;43(1):e4. Published online January 5, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e4

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Daniel W. T. Wundersitz, Bradley J. Wright, Brett A. Gordon, Stephanie Pompei, Carl J. Lavie, Voltaire Nadurata, Kimberly Nolan, Michael I. C. Kingsley
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Statistical notes for clinical researchers: simple linear regression 1 – basic concepts
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Restorative Dentistry & Endodontics.2018;[Epub] CrossRef

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Appreciations to peer reviewers in 2017: contributions to the journal, Restorative Dentistry & Endodontics: Byeong-Hoon Cho, Su-Jung Shin; Restor Dent Endod 2018;43(1):e6. Published online January 12, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e6

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Corrigendum: Corrections to the funding. Quantification of the tug-back by measuring the pulling force and micro computed tomographic evaluation: Su-Jin Jeon, Young-Mi Moon, Min-Seock Seo; Restor Dent Endod 2018;43(1):e8. Published online January 24, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e8

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Root canal irrigants influence the hydrophobicity and adherence of Staphylococcus epidermidis to root canal dentin: an in vitro study: Venkateshbabu Nagendrababu, Omer Sheriff Sultan, Sreedharan Kannathasan, Amir Shahreza Patel, Ebenezer Chitra, Prasanna Neelakantan, Fabian Davamani; Restor Dent Endod 2018;43(1):e1. Published online December 7, 2017; DOI: https://doi.org/10.5395/rde.2018.43.e1

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Objectives

To determine the effect of root canal irrigants on the hydrophobicity and adherence of Staphylococcus epidermidis (S. epidermidis) to root canal dentin in vitro.

Materials and Methods

Root dentin blocks (n = 60) were randomly divided into 4 groups based on the irrigation regimen: group 1, saline; group 2, 5.25% sodium hypochlorite (NaOCl); group 3, 5.25% NaOCl followed by 17% ethylenediaminetetraacetic acid (EDTA); group 4, same as group 3 followed by 2% chlorhexidine (CHX). The hydrophobicity of S. epidermidis to root dentin was calculated by cell surface hydrophobicity while the adherence was observed by fluorescence microscopy, and bacteria were quantified using ImageJ software (National Institutes of Health). Statistical analysis of the data was done using Kruskal-Wallis test and Mann-Whitney U test (p = 0.05).

Results

The hydrophobicity and adherence of S. epidermidis to dentin were significantly increased after irrigating with group 3 (NaOCl-EDTA) (p < 0.05), whereas in group 4 (NaOCl-EDTA-CHX) both hydrophobicity and adherence were significantly reduced (p < 0.05).

Conclusions

The adherence of S. epidermidis to dentin was influenced differently by root canal irrigants. Final irrigation with CHX reduces the bacterial adherence and may impact biofilm formation.

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Quaternary ammonium silane (k21) based intracanal medicament triggers biofilm destruction
Esther Sook Kuan Kok, Xian Jin Lim, Soo Xiong Chew, Shu Fen Ong, Lok Yin See, Siao Hua Lim, Ling Ang Wong, Fabian Davamani, Venkateshbabu Nagendrababu, Amr Fawzy, Umer Daood
BMC Oral Health.2021;[Epub] CrossRef

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Influence of size and insertion depth of irrigation needle on debris extrusion and sealer penetration: Emel Uzunoglu-Özyürek, Hakan Karaaslan, Sevinç Aktemur Türker, Bahar Özçelik; Restor Dent Endod 2018;43(1):e2. Published online December 22, 2017; DOI: https://doi.org/10.5395/rde.2018.43.e2

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Objectives

To determine the effect of size and insertion depth of irrigation needle on the amount of apical extruded debris and the amount of penetration depth of sealer using a confocal laser scanning microscope (CLSM).

Materials and Methods

Twenty maxillary premolars were assigned to 2 groups (n = 10), according to the size of needle tip, 28 G or 30 G. Buccal roots of samples were irrigated with respective needle type inserted 1 mm short of the working length (WL), while palatal roots were irrigated with respective needle type inserted 3 mm short of the WL. Prepared teeth were removed from the pre-weighed Eppendorf tubes. Canals were filled with F3 gutta-percha cone and rhodamine B dye-labeled AH 26 sealer. Teeth were transversally sectioned at 1 and 3 mm levels from the apex and observed under a CLSM. Eppendorf tubes were incubated to evaporate the irrigant and were weighed again. The difference between pre- and post-weights was calculated, and statistical evaluation was performed.

Results

Inserting needles closer to the apex and using needles with wider diameters were associated with significantly more debris extrusion (p < 0.05). The position of needles and level of sections had statistically significant effects on sealer penetration depth (p < 0.05 for both).

Conclusions

Following preparation, inserting narrower needles compatible with the final apical diameter of the prepared root canal at 3 mm short of WL during final irrigation might prevent debris extrusion and improve sealer penetration in the apical third.

Citations

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Preliminary insights: exploring irrigation practices during endodontic treatment among general dental practitioners in Malaysia
Kai Qi Chiew, Xin Ni Lim, Shekhar Bhatia, Naveen Chhabra
British Dental Journal.2024;[Epub] CrossRef
Efficiency of diode laser in control of post-endodontic pain: a randomized controlled trial
Hend H. Ismail, Maram Obeid, Ehab Hassanien
Clinical Oral Investigations.2023; 27(6): 2797. CrossRef
Endodontic management of an aberrant germinated composite odontome: A case report
Ankit Arora, Kavina Desai, Sonali Kapoor, Seema Gajera
Australian Endodontic Journal.2023; 49(3): 684. CrossRef
Potentials of 3D-Modeling in the Preclinical Stage of Root Needle Research
Aleksandr V. Kuligin, Larisa N. Kazakova, Oksana S. Tereshchuk, Vadim V. Bokov
I.P. Pavlov Russian Medical Biological Herald.2022; 30(1): 95. CrossRef
Effect of root canal geometry and needle type on apical extrusion of irrigant: an ex vivo study
Büşra SERÇE FİKİRLİ, Bülent ALTUNKAYNAK, Güven KAYAOĞLU
Acta Odontologica Turcica.2022; 39(3): 58. CrossRef
An in vitro radiological evaluation of irrigant penetration in the root canals using three different irrigation systems: Waterpik WP-100 device, passive irrigation, and manual dynamic irrigation systems
Suragani Hemalatha, Archana Srinivasan, A Srirekha, Lekha Santhosh, C Champa, Ashwija Shetty
Journal of Conservative Dentistry.2022; 25(4): 403. CrossRef
Preparation Ability of ProTaper Next and XP-endo Shaper Instruments in Isthmus-containing Root Canal System
Mustafa Sarıkahya, Tayfun Alaçam
Conservative Dentistry and Endodontic Journal.2021; 5(2): 28. CrossRef
Penetration depth of irrigants into root dentine after sonic, ultrasonic and photoacoustic activation
K. M. Galler, V. Grubmüller, R. Schlichting, M. Widbiller, A. Eidt, C. Schuller, M. Wölflick, K.‐A. Hiller, W. Buchalla
International Endodontic Journal.2019; 52(8): 1210. CrossRef

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Root canal volume change and transportation by Vortex Blue, ProTaper Next, and ProTaper Universal in curved root canals: Hyun-Jin Park, Min-Seock Seo, Young-Mi Moon; Restor Dent Endod 2018;43(1):e3. Published online December 24, 2017; DOI: https://doi.org/10.5395/rde.2018.43.e3

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Objectives

The aim of this study was to compare root canal volume change and canal transportation by Vortex Blue (VB; Dentsply Tulsa Dental Specialties), ProTaper Next (PTN; Dentsply Maillefer), and ProTaper Universal (PTU; Dentsply Maillefer) nickel-titanium rotary files in curved root canals.

Materials and Methods

Thirty canals with 20°–45° of curvature from extracted human molars were used. Root canal instrumentation was performed with VB, PTN, and PTU files up to #30.06, X3, and F3, respectively. Changes in root canal volume before and after the instrumentation, and the amount and direction of canal transportation at 1, 3, and 5 mm from the root apex were measured by using micro-computed tomography. Data of canal volume change were statistically analyzed using one-way analysis of variance and Tukey test, while data of amount and direction of transportation were analyzed using Kruskal-Wallis and Mann-Whitney U test.

Results

There were no significant differences among 3 groups in terms of canal volume change (p > 0.05). For the amount of transportation, PTN showed significantly less transportation than PTU at 3 mm level (p = 0.005). VB files showed no significant difference in canal transportation at all 3 levels with either PTN or PTU files. Also, VB files showed unique inward transportation tendency in the apical area.

Conclusions

Other than PTN produced less amount of transportation than PTU at 3 mm level, all 3 file systems showed similar level of canal volume change and transportation, and VB file system could prepare the curved canals without significant shaping errors.

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Micro-Computed Tomographic Evaluation of the Shaping Ability of Vortex Blue and TruNatomyTM Ni-Ti Rotary Systems
Batool Alghamdi, Mey Al-Habib, Mona Alsulaiman, Lina Bahanan, Ali Alrahlah, Leonel S. J. Bautista, Sarah Bukhari, Mohammed Howait, Loai Alsofi
Crystals.2024; 14(11): 980. CrossRef
Evaluation of the Centering Ability and Canal Transportation of Rotary File Systems in Different Kinematics Using CBCT
Nupur R Vasava, Shreya H Modi, Chintan Joshi, Mona C Somani, Sweety J Thumar, Aashray A Patel, Anisha D Parmar, Kruti M Jadawala
World Journal of Dentistry.2024; 14(11): 983. CrossRef
Comparative evaluation of nickel titanium rotary instruments on canal transportation and centering ability in curved canals by using cone beam computed tomography: An in vitro study
Krishnaveni Krishnaveni, Nikitha Kalla, Nagalakshmi Reddy, Sharvanan Udayar
Journal of Dental Specialities.2023; 11(2): 105. CrossRef
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Preethi Varadan, Chakravarthy Arumugam, Athira Shaji, R R Mathan
World Journal of Dentistry.2023; 14(6): 535. CrossRef
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Aisha Faisal, Huma Farid, Robia Ghafoor
Pakistan Journal of Health Sciences.2022; : 55. CrossRef
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Salma El Abbassi, Sanaa Chala, Majid Sakout, Faïza Abdallaoui
Integrative Journal of Medical Sciences.2022;[Epub] CrossRef

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Micro-computed tomographic evaluation of canal retreatments performed by undergraduate students using different techniques: Emmanuel João Nogueira Leal Silva, Felipe Gonçalves Belladonna, Marianna Fernandes Carapiá, Brenda Leite Muniz, Mariana Santoro Rocha, Edson Jorge Lima Moreira; Restor Dent Endod 2018;43(1):e5. Published online January 15, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e5

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Objectives

This study evaluated the amount of remaining root canal filling materials after retreatment procedures performed by undergraduate students using manual, rotary, and reciprocating techniques through micro-computed tomographic analysis. The incidence of instrument fracture and the instrumentation time were also evaluated.

Materials and Methods

Thirty maxillary single rooted teeth were prepared with Reciproc R25 files and filled with gutta-percha and AH Plus sealer by the continuous wave of condensation technique. Then, the specimens were assigned to 3 groups (n = 10), according to the retreatment technique used: manual, rotary, and reciprocating groups, which used K-file, Mtwo retreatment file, and Reciproc file, respectively. Retreatments were performed by undergraduate students. The sample was scanned after root canal filling and retreatment procedures, and the images of the canals were examined to quantify the amount of remaining filling material. The incidence of instrument fracture and the instrumentation time were recorded.

Results

Remaining filling material was observed in all specimens regardless of the technique used. The mean volume of remaining material was significantly lower in the Reciproc group than in the manual K-file and Mtwo retreatment groups (p < 0.05). The time required to achieve a satisfactory removal of canal filling material and refinement was significantly lower in the Mtwo retreatment and Reciproc groups (p < 0.05) when compared to the manual K-file group. No instrument fracture was observed in any of the groups.

Conclusions

Reciproc was the most effective instrument in the removal of canal fillings after retreatments performed by undergraduate students.

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Yang Yu, Chong-Yang Yuan, Xing-Zhe Yin, Xiao-Yan Wang
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Bogdan Dimitriu, Ioana Suciu, Oana Elena Amza, Mihai Ciocârdel, Dana Bodnar, Ana Maria Cristina Țâncu, Mihaela Tanase, Maria Sabina Branescu, Mihaela Chirilă
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I Tsenova-Ilieva, V Dogandzhiyska, M Raykovska, E Karova
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Critical analysis of research methods and experimental models to study removal of root filling materials
Mahdi A. Ajina, Pratik K. Shah, Bun San Chong
International Endodontic Journal.2022; 55(S1): 119. CrossRef
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Neveen A Shaheen, Dalia A Sherif, Nahla G Elhelbawy
The Journal of Contemporary Dental Practice.2021; 22(9): 1055. CrossRef
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Emmanuel J.N.L. Silva, Carolina O. de Lima, Ana F.A. Barbosa, Cláudio M. Ferreira, Bruno M. Crozeta, Ricardo T. Lopes
Australian Endodontic Journal.2021; 47(3): 467. CrossRef
XP‐endo Finisher R instrument optimizes the removal of root filling remnants in oval‐shaped canals
G. De‐Deus, F. G. Belladonna, A. S. Zuolo, D. M. Cavalcante, J. C. A. Carvalhal, M. Simões‐Carvalho, E. M. Souza, R. T. Lopes, E. J. N. L. Silva
International Endodontic Journal.2019; 52(6): 899. CrossRef

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Comparison of bond strengths of ceramic brackets bonded to zirconia surfaces using different zirconia primers and a universal adhesive: Ji-Yeon Lee, Jaechan Ahn, Sang In An, Jeong-won Park; Restor Dent Endod 2018;43(1):e7. Published online January 22, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e7

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Objectives

The aim of this study is to compare the shear bond strengths of ceramic brackets bonded to zirconia surfaces using different zirconia primers and universal adhesive.

Materials and Methods

Fifty zirconia blocks (15 × 15 × 10 mm, Zpex, Tosoh Corporation) were polished with 1,000 grit sand paper and air-abraded with 50 µm Al₂O₃ for 10 seconds (40 psi). They were divided into 5 groups: control (CO), Metal/Zirconia primer (MZ, Ivoclar Vivadent), Z-PRIME Plus (ZP, Bisco), Zirconia Liner (ZL, Sun Medical), and Scotchbond Universal adhesive (SU, 3M ESPE). Transbond XT Primer (used for CO, MZ, ZP, and ZL) and Transbond XT Paste was used for bracket bonding (Gemini clear ceramic brackets, 3M Unitek). After 24 hours at 37°C storage, specimens underwent 2,000 thermocycles, and then, shear bond strengths were measured (1 mm/min). An adhesive remnant index (ARI) score was calculated. The data were analyzed using one-way analysis of variance and the Bonferroni test (p = 0.05).

Results

Surface treatment with primers resulted in increased shear bond strength. The SU group showed the highest shear bond strength followed by the ZP, ZL, MZ, and CO groups, in that order. The median ARI scores were as follows: CO = 0, MZ = 0, ZP = 0, ZL = 0, and SU = 3 (p < 0.05).

Conclusions

Within this experiment, zirconia primer can increase the shear bond strength of bracket bonding. The highest shear bond strength is observed in SU group, even when no primer is used.

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Claire Pédemay, Philippe François, Vincent Fouquet, Sarah Abdel-Gawad, Jean-Pierre Attal, Claire-Adeline Dantagnan
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Rebecca Jungbauer, Christian M. Hammer, Daniel Edelhoff, Peter Proff, Bogna Stawarczyk
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Yasamin Babaee Hemmati, Hamid Neshandar Asli, Mehran Falahchai, Sina Safary, Sandrine Bittencourt Berger
International Journal of Dentistry.2022; 2022: 1. CrossRef
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Emine Begüm BÜYÜKERKMEN, Ayşe Selenge AKBULUT, Murat KEÇECİ
Selcuk Dental Journal.2022; 9(2): 451. CrossRef
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Mustafa Borga Dönmez, Betül Ballı Demirel, Münir Demirel, Yasemin Gündoğdu, Hamdi Şükür Kılıç
Meandros Medical and Dental Journal.2022; 23(3): 335. CrossRef
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Dhanabhol Riowruangsanggoon, Apiwat Riddhabhaya, Nattisa Niyomtham, Irin Sirisoontorn
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Milad Shamohammadi Heidari, Mehrnaz Moradinejad, Hamed Tabatabaei, Vahid Rakhshan, Dinesh Rokaya
International Journal of Dentistry.2022; 2022: 1. CrossRef
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Rebecca Jungbauer, Peter Proff, Daniel Edelhoff, Bogna Stawarczyk
Scientific Reports.2022;[Epub] CrossRef
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Cecilia Goracci, Giuseppe Di Bello, Lorenzo Franchi, Chris Louca, Jelena Juloski, Jovana Juloski, Alessandro Vichi
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Bo-wen Zheng, Shan Cao, Majedh Abdo Ali Al-Somairi, Jia He, Yi Liu
BMC Oral Health.2022;[Epub] CrossRef
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Dalia A. Abuelenain, Amal I. Linjawi, Ahmed S. Alghamdi, Fahad M. Alsadi
Journal of Dental Sciences.2021; 16(1): 370. CrossRef
The Performance of Universal Adhesives on Orthodontic Bracket Bonding
Muhittin Ugurlu, Muhammed Hilmi Buyukcavus
European Journal of General Dentistry.2021; 10(01): 019. CrossRef
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Hannah Knott, Xiaoming Xu, Edwin Kee, Qingzhao Yu, Paul Armbruster, Richard Ballard
Australasian Orthodontic Journal.2021; 37(1): 62. CrossRef
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Lucas Campagnaro Maciel, Amanda Pádua Proeza, Hélyda Coelho Guimarães Balbino, Marcela Moráo Corteletti, Ricardo Huver De Jesus, Laís Regiane da Silva Concílio
Journal of Health Sciences.2019; 21(5): 477. CrossRef
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Ga-Youn Ju, Soram Oh, Bum-Soon Lim, Hyun-Seung Lee, Shin Hye Chung
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The effect of root canal preparation on the surface roughness of WaveOne and WaveOne Gold files: atomic force microscopy study: Taha Özyürek, Koray Yılmaz, Gülşah Uslu, Gianluca Plotino; Restor Dent Endod 2018;43(1):e10. Published online February 2, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e10

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Objectives

To examine the surface topography of intact WaveOne (WO; Dentsply Sirona Endodontics) and WaveOne Gold (WOG; Dentsply Sirona Endodontics) nickel-titanium rotary files and to evaluate the presence of alterations to the surface topography after root canal preparations of severely curved root canals in molar teeth.

Materials and Methods

Forty-eight severely curved canals of extracted molar teeth were divided into 2 groups (n = 24/each group). In group 1, the canals were prepared using WO and in group 2, the canals were prepared using WOG files. After the preparation of 3 root canals, instruments were subjected to atomic force microscopy analysis. Average roughness and root mean square values were chosen to investigate the surface features of endodontic files. The data was analyzed using one-way analysis of variance and post hoc Tamhane's tests at 5% significant level.

Results

The surface roughness values of WO and WOG files significantly changed after use in root canals (p < 0.05). The used WOG files exhibited higher surface roughness change when compared with the used WO files (p < 0.05).

Conclusions

Using WO and WOG Primary files in 3 root canals affected the surface topography of the files. After being used in root canals, the WOG files showed a higher level of surface porosity value than the WO files.

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Raksha Bhat, Arjun Kini, Preethesh Shetty, Payalben Kansara, Bapanaiah Penugonda
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Imelda Darmawi, Trimurni Abidin, Harry Agusnar, Basri A. Gani
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Khoa Van Pham
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Iandara de Lima Scardini, Denise Maria Zezell, Juliana Lisboa Couto Marques, Laila Gonzales Freire, Marcelo dos Santos
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Muhammad Sohail Zafar
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Khoa Van Pham, Canh Quang Vo
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Mario Dioguardi, Vito Crincoli, Luigi Laino, Mario Alovisi, Enrica Laneve, Diego Sovereto, Bruna Raddato, Khrystyna Zhurakivska, Filiberto Mastrangelo, Domenico Ciavarella, Lucio Lo Russo, Lorenzo Lo Muzio
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Atomic force microscopy and energy dispersive X‐ray spectrophotometry analysis of reciprocating and continuous rotary nickel‐titanium instruments following root canal retreatment
Bulem Üreyen Kaya, Cevat Emre Erik, Gülsen Kiraz
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Influence of heat treatment on torsional resistance and surface roughness of nickel‐titanium instruments
E. J. N. L. Silva, J. F. N. Giraldes, C. O. de Lima, V. T. L. Vieira, C. N. Elias, H. S. Antunes
International Endodontic Journal.2019; 52(11): 1645. CrossRef

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Mineral content analysis of root canal dentin using laser-induced breakdown spectroscopy: Selen Küçükkaya Eren, Emel Uzunoğlu, Banu Sezer, Zeliha Yılmaz, İsmail Hakkı Boyacı; Restor Dent Endod 2018;43(1):e11. Published online February 4, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e11

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Objectives

This study aimed to introduce the use of laser-induced breakdown spectroscopy (LIBS) for evaluation of the mineral content of root canal dentin, and to assess whether a correlation exists between LIBS and scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS) methods by comparing the effects of irrigation solutions on the mineral content change of root canal dentin.

Materials and Methods

Forty teeth with a single root canal were decoronated and longitudinally sectioned to expose the canals. The root halves were divided into 4 groups (n = 10) according to the solution applied: group NaOCl, 5.25% sodium hypochlorite (NaOCl) for 1 hour; group EDTA, 17% ethylenediaminetetraacetic acid (EDTA) for 2 minutes; group NaOCl+EDTA, 5.25% NaOCl for 1 hour and 17% EDTA for 2 minutes; a control group. Each root half belonging to the same root was evaluated for mineral content with either LIBS or SEM/EDS methods. The data were analyzed statistically.

Results

In groups NaOCl and NaOCl+EDTA, the calcium (Ca)/phosphorus (P) ratio decreased while the sodium (Na) level increased compared with the other groups (p < 0.05). The magnesium (Mg) level changes were not significant among the groups. A significant positive correlation was found between the results of LIBS and SEM/EDS analyses (r = 0.84, p < 0.001).

Conclusions

Treatment with NaOCl for 1 hour altered the mineral content of dentin, while EDTA application for 2 minutes had no effect on the elemental composition. The LIBS method proved to be reliable while providing data for the elemental composition of root canal dentin.

Citations

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In vitro evaluation of antimicrobial photodynamic therapy with photosensitizers and calcium hydroxide on bond strength, chemical composition, and sealing of glass-fiber posts to root dentin
Thalya Fernanda Horsth Maltarollo, Paulo Henrique dos Santos, Henrique Augusto Banci, Mariana de Oliveira Bachega, Beatriz Melare de Oliveira, Marco Hungaro Antonio Duarte, Índia Olinta de Azevedo Queiroz, Rodrigo Rodrigues Amaral, Luciano Angelo Tavares
Lasers in Medical Science.2025;[Epub] CrossRef
Effect of Using 5% Apple Vinegar Irrigation Solution Adjunct to Diode Laser on Smear Layer Removal and Calcium/Phosphorus Ion Ratio during Root Canal Treatment
Tarek AA Salam, Haythem SA Kader, Elsayed E Abdallah
CODS - Journal of Dentistry.2024; 15(1): 3. CrossRef
Evaluation of chemical composition of root canal dentin between two age groups using different irrigating solutions: An in vitro sem-eds study
Naresh Kumar K, Abhijith Kallu, Surender L.R, Sravani Nirmala, Narender Reddy
International Dental Journal of Student's Research.2024; 12(1): 18. CrossRef
Minimally invasive management of vital teeth requiring root canal therapy
E. Karatas, M. Hadis, W. M. Palin, M. R. Milward, S. A. Kuehne, J. Camilleri
Scientific Reports.2023;[Epub] CrossRef
The Effects of a Novel Nanohydroxyapatite Gel and Er: YAG Laser Treatment on Dentin Hypersensitivity
Demet Sahin, Ceren Deger, Burcu Oglakci, Metehan Demirkol, Bedri Onur Kucukyildirim, Mehtikar Gursel, Evrim Eliguzeloglu Dalkilic
Materials.2023; 16(19): 6522. CrossRef
Chitosan Homogenizing Coffee Ring Effect for Soil Available Potassium Determination Using Laser-Induced Breakdown Spectroscopy
Xiaolong Li, Rongqin Chen, Zhengkai You, Tiantian Pan, Rui Yang, Jing Huang, Hui Fang, Wenwen Kong, Jiyu Peng, Fei Liu
Chemosensors.2022; 10(9): 374. CrossRef
Quantitative analysis of cadmium in rice roots based on LIBS and chemometrics methods
Wei Wang, Wenwen Kong, Tingting Shen, Zun Man, Wenjing Zhu, Yong He, Fei Liu
Environmental Sciences Europe.2021;[Epub] CrossRef

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Plugger temperature of cordless heat carriers according to the time elapsed: Hoon-Sang Chang, Se-Hee Park, Kyung-Mo Cho, Jin-Woo Kim; Restor Dent Endod 2018;43(1):e12. Published online February 7, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e12

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Objective

The purpose of this study was to measure the temperature of the plugger tip of 3 cordless heat carriers set at 200°C.

Materials and Methods

Pluggers of the same taper (0.06, 0.08, 0.10) and similar tip sizes (sizes of 50 and 55) from 3 cordless heat carriers, namely SuperEndo-α² (B & L Biotech), Friendo (DXM), and Dia-Pen (Diadent), were used and an electric heat carrier, System B (SybronEndo), was used as the control. The plugger tips were covered with customized copper sleeves, heated for 10 seconds, and the temperature was recorded with a computerized measurement system attached to a K-type thermometer at room temperature (n = 10). The data were analyzed with 2-way analysis of variance at a 5% level of significance.

Results

The peak temperature of the plugger tips was significantly affected by the plugger taper and by the heat carrier brand (p < 0.05). The peak temperature of the plugger tips was between 177°C and 325°C. The temperature peaked at 207°C–231°C for the 0.06 taper pluggers, 195°C–313°C for the 0.08 taper pluggers, and 177°C–325°C for the 0.10 taper pluggers. Only 5 of the 12 plugger tips showed a temperature of 200°C ± 10°C. The time required to reach the highest temperature or 200°C ± 10°C was at least 4 seconds.

Conclusion

When using cordless heat carriers, clinicians should pay attention to the temperature setting and to the activation time needed to reach the intended temperature of the pluggers.

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Jesús Mena-Álvarez, Maria Ruiz-Barrio, Norberto Quispe-López, Ana de Pedro-Muñoz, Cristina Rico-Romano
Applied Sciences.2022; 12(12): 6229. CrossRef
Effect of Heat Softening versus Ultrasonic Removal of Root-End Gutta-Percha on the Quality of Root-End Preparation for Endodontic Microsurgery
Zhiting Ling, Ziting Zheng, Yuting Zeng, Lifang Jiang, Yuan Wu, Buling Wu, Wenjuan Yan, Lavinia C. Ardelean
Scanning.2021; 2021: 1. CrossRef

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A simple technique for impression taking of teeth and functionally generated paths: Takatsugu Yamamoto, Yohei Sato, Hidehiko Watanabe, Amit Punj, Minoru Abe, Yasuko Momoi, Chikahiro Ohkubo; Restor Dent Endod 2018;43(1):e9. Published online February 3, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e9

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The objective of this case report is to introduce a simple technique for simultaneously taking a closed-mouth impression and functionally generated path (FGP) for a full coverage crown restoration. A monolithic zirconia crown was the restoration of choice. An alginate impression of the abutment tooth was taken to fabricate a custom-made closed-mouth impression tray covering the abutment tooth and the adjacent teeth. The tray had an FGP table and an abutment tray in cameo and intaglio surfaces, respectively. The impression was taken with silicone impression material after adjusting the abutment tray and inscribing the FGP using self-curing acrylic resins. Plaster casts were made from the impression, and a zirconia crown was fabricated. The crown was cemented to the abutment tooth with minimal adjustments. This simple technique resulted in a well-fitting crown that accounted for mandibular movements. Using the custom closed-mouth impression tray incorporating an FGP table simultaneously aids in fabricating an accurately fitting restoration that incorporates harmonious mandibular movements using a single impression capture.

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Fabrication of fixed prosthesis by employing functionally generated path technique and dual scan technique in a tardive dyskinesia patient: a case report
Shilpa, Du-Hyeong Lee
The Journal of Korean Academy of Prosthodontics.2023; 61(3): 227. CrossRef
Morphological design of occlusal wear facets for the mandibular first molar crown using different bite registration methods
Hu Chen, Xu Yang, Linlin Li, Yong Wang, Yuchun Sun
Journal of Prosthodontics.2023; 32(5): 439. CrossRef

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Management of dental erosion induced by gastro-esophageal reflux disorder with direct composite veneering aided by a flexible splint matrix: Sherin Jose Chockattu, Byathnal Suryakant Deepak, Anubhav Sood, Nandini T. Niranjan, Arun Jayasheel, Mallikarjun K. Goud; Restor Dent Endod 2018;43(1):e13. Published online February 6, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e13

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Dental erosion is frequently overlooked in clinical practice. The management of erosion-induced damage to the dentition is often delayed, such that extensive occlusal rehabilitation is required. These cases can be diagnosed by a careful clinical examination and a thorough review of the patient's medical history and/or lifestyle habits. This case report presents the diagnosis, categorization, and management of a case of gastro-esophageal reflux disease-induced palatal erosion of the maxillary teeth. The early management of such cases is of utmost importance to delay or prevent the progression of damage both to the dentition and to occlusal stability. Non-invasive adhesively bonded restorations aid in achieving this goal.

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Effect of Acidic Media on Surface Topography and Color Stability of Two Different Glass Ceramics
Fatma Makkeyah, Nesrine A. Elsahn, Mahmoud M. Bakr, Mahmoud Al Ankily
European Journal of Dentistry.2025; 19(01): 173. CrossRef
Mechanical Performance and Surface Roughness of Lithium Disilicate and Zirconia-Reinforced Lithium Silicate Ceramics Before and After Exposure to Acidic Challenge
Ahmed Elsherbini, Salma M. Fathy, Walid Al-Zordk, Mutlu Özcan, Amal A. Sakrana
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Dental Materials.2024; 40(5): 869. CrossRef
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Nesrine A. Elsahn, Hatem M. El-Damanhoury, Zainab Shirazi, Abdul Rahman M. Saleh
European Journal of Dentistry.2023; 17(03): 663. CrossRef
Effect of acidic media on flexural strength and fatigue of CAD-CAM dental materials
Alaaeldin Elraggal, Rania. R Afifi, Rasha A. Alamoush, Islam Abdel Raheem, David C. Watts
Dental Materials.2023; 39(1): 57. CrossRef
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RQ Ramos, NF Coelho, GC Lopes
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Microscopy Research and Technique.2020; 83(2): 202. CrossRef

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