Restorative Dentistry & Endodontics

Research Articles

Antimicrobial and cytotoxic properties of calcium-enriched mixture cement, Iranian propolis, and propolis with herbal extracts in primary dental pulp stem cells: Mohammad Esmaeilzadeh, Shirin Moradkhani, Fahimeh Daneshyar, Mohammad Reza Arabestani, Sara Soleimani Asl, Soudeh Tayebi, Maryam Farhadian; Restor Dent Endod 2023;48(1):e2. Published online December 1, 2022; DOI: https://doi.org/10.5395/rde.2023.48.e2

Objectives

In this study, natural substances were introduced as primary dental pulp caps for use in pulp therapy, and the antimicrobial and cytotoxic properties of these substances were investigated.

Materials and Methods

In this in vitro study, the antimicrobial properties of calcium-enriched mixture (CEM) cement, propolis, and propolis individually combined with the extracts of several medicinal plants were investigated against Enterococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus. Then, the cytotoxicity of each substance or mixture against pulp stem cells extracted from 30 primary healthy teeth was evaluated at 4 concentrations. Data were gathered via observation, and optical density values were obtained using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) test and recorded. SPSS software version 23 was used to analyze the data. Data were evaluated using 2-way analysis of variance and the Tukey test.

Results

Regarding antimicrobial properties, thyme alone and thyme + propolis had the lowest minimum inhibitory concentrations (MICs) against the growth of S. aureus, E. coli, and P. aeruginosa bacteria. For E. faecalis, thyme + propolis had the lowest MIC, followed by thyme alone. At 24 and 72 hours, thyme + propolis, CEM cement, and propolis had the greatest bioviability in the primary dental pulp stem cells, and lavender + propolis had the lowest bioviability.

Conclusions

Of the studied materials, thyme + propolis showed the best results in the measures of practical performance as a dental pulp cap.

Citations

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Comprehensive review of composition, properties, clinical applications, and future perspectives of calcium-enriched mixture (CEM) cement: a systematic analysis
Saeed Asgary, Mahtab Aram, Mahta Fazlyab
BioMedical Engineering OnLine.2024;[Epub] CrossRef
Effects of aqueous and ethanolic extracts of Chinese propolis on dental pulp stem cell viability, migration and cytokine expression
Ha Bin Park, Yen Dinh, Pilar Yesares Rubi, Jennifer L. Gibbs, Benoit Michot
PeerJ.2024; 12: e18742. CrossRef

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Retentive strength of different intracanal posts in restorations of anterior primary teeth: an in vitro study: Mahtab Memarpour, Fereshteh Shafiei, Maryam Abbaszadeh; Restor Dent Endod 2013;38(4):215-221. Published online November 12, 2013; DOI: https://doi.org/10.5395/rde.2013.38.4.215

Abstract PDF PubReader ePub

Objectives

To determine the retentive strength and failure mode of undercut composite post, glass fiber post and polyethylene fiber post luted with flowable composite resin and resin-cement.

Materials and Methods

Coronal parts of 120 primary canine teeth were sectioned and specimens were treated endodontically. The teeth were randomly divided into 6 groups (n = 20). Prepared root canals received intracanal retainers with a short composite post, undercut composite post, glass fiber post luted with flowable resin or resin-cement, and polyethylene fiber post luted with flowable resin or resin-cement. After crown reconstruction, samples were tested for retentive strength and failure mode. Statistical analysis was done with one-way ANOVA and Tukey tests (p < 0.05).

Results

There were statistically significant differences between groups (p = 0.001). Mean bond strength in the undercut group was significantly greater than in the short composite post (p = 0.030), and the glass fiber post (p = 0.001) and the polyethylene fiber post group luted with resin-cement (p = 0.008). However, the differences between the undercut group and the groups with flowable composite as the luting agent were not significant (p = 0.068, p = 0.557). Adhesive failure was more frequent in the fiber post groups.

Conclusions

Although the composite post with undercutting showed the greatest resistance to dislodgement, fiber posts cemented with flowable composite resin provided acceptable results in terms of retentive strength and fracture mode.

Citations

Citations to this article as recorded by

Mechanical Properties and Clinical Success of Intracanal Posts in Primary Maxillary Anterior Teeth: A Systematic Review and Meta-analysis
Selvakumar Haridoss, MS Muthu, Kavitha Swaminathan, Yamuna Shanmugam, Aksshaya Raghu, Krishnapillai Chandrababu Vignesh, Sunil Babu Kotha
International Journal of Clinical Pediatric Dentistry.2024; 16(S3): S293. CrossRef
Comparison of shear bond strength of different types of intracanal posts in restoring extensively damaged primary anterior teeth
Shabnam Asghari Mollabashi, Shima Nourmohamadi, Afrooz Nakhostin
Journal of Dental Research, Dental Clinics, Dental Prospects.2024; 18(2): 95. CrossRef
Effects of glass fibers reinforced and non-reinforced composite resin on fracture behavior of severely destructed primary incisors and restored with post and core system
Rizk El Agamy
The Saudi Dental Journal.2024; 36(3): 451. CrossRef
Evaluation of the Effects of Different Types of Resin Cement Systems on the Push-Out Bond Strength of the Fiber Post to Intracanal Dentin in Anterior Primary Teeth
Ali Nozari, Boshra Rasoolzade, Zahra Jowkar, Seyed Ahmadreza Hamidi, Mohammad Jowkar, Murilo Baena Lopes
International Journal of Dentistry.2023; 2023: 1. CrossRef
Comparison of the Pull-Out Resistance of Grossly Decayed Primary Anterior Teeth Restored With Two Different Intracanal Posts: An In Vitro Study
Ayham Hijaz, Mohamed K Altinawi, Imad Katbeh, Eyad Gergos, Gharawi Alhamzah
Cureus.2023;[Epub] CrossRef
Comparison of fracture resistance of primary incisor teeth restored with glass fiber post and reversed-oriented metal post – an in vitro study
Hamideh Barghi, Samira Sharifi
Dental Research Journal.2023;[Epub] CrossRef
Clinical and radiographic comparative study to evaluate the efficacy of restoring destroyed primary incisors using two different techniques—A pilot study
Seba Ibrahim, Abdul Wahab Nourallah
Clinical and Experimental Dental Research.2020; 6(5): 537. CrossRef
Coronal Microleakage of Teeth Restored with Cast Posts and Cores Cemented with Four Different Luting Agents after Thermocycling
Maryam Mohajerfar, Kaveh Nadizadeh, Tabasom Hooshmand, Elaheh Beyabanaki, Hamid Neshandar Asli, Siamak Sabour
Journal of Prosthodontics.2019;[Epub] CrossRef
Evaluation of the effect of different post materials and adhesive systems on the bonding strength of short‐post technique for primary teeth
Nihal Beldüz Kara, Tunahan Kanyilmaz, Soner Çankaya, Cankat Kara
International Journal of Paediatric Dentistry.2018; 28(2): 239. CrossRef
Effect of ultrasonic tip designs on intraradicular post removal
Anny Carine Barros Aguiar, Daniely Amorim de Meireles, André Augusto Franco Marques, Emílio Carlos Sponchiado Júnior, Angela Delfina Bitencourt Garrido, Lucas da Fonseca Roberti Garcia
Restorative Dentistry & Endodontics.2014; 39(4): 265. CrossRef

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