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All Journal JDS (Journal of Syiah Kuala Dentistry Society)
Trimurni Abidin
Department of Conservative Dentistry, Faculty of Dentistry, Universitas Sumatera Utara, Medan, Indonesia
Dentistry Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Public Health

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Microgap Evaluation of MTA and RMGIC Orifice Barriers after Nanochitosan-Based Final Irrigation: SEM and Stereomicroscopic Study: Microgap Evaluation of MTA and RMGIC Orifice Barriers Trimurni Abidin; Zahrah Nabilah; Cut Nurliza; Widi Prasetia
Journal of Syiah Kuala Dentistry Society Vol. 10 No. 2 (2025): Vol 10 No. 2 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jds.v10i2.858

Abstract

Nanochitosan oligosaccharide has been developed as a final irrigation material, but its effect on leakage of orifice barrier material is not yet known. This study aims to observe the effect of the combination of 2.5% NaOCl + 2% Nanochitosan Oligosaccharide and 2.5% NaOCl + 17% EDTA irrigation on MTA and RMGIC microleakage as orifice barrier materials. A total of 24 extracted mandibular premolars underwent endodontic treatment. Gutta percha was removed vertically to a depth of 2 mm. The tooth samples were divided into four groups, namely, the 2.5% NaOCl + 2% nanochitosan oligosaccharide irrigation group with MTA and RMGIC as barrier materials, and the 2.5% NaOCl + 17% EDTA irrigation group with MTA and RMGIC as orifice barrier materials. After the thermocycling procedure, the samples were immersed in 0.5% Basic Fuchsin solution for 24 hours, then sectioned in the bucco-lingual direction. Dye penetration was measured by two observers using stereomicroscope and scored 0-4. The kappa statistic showed strong agreement between the two observers (p>0.6). The results of microleakage observations showed mean values and standard deviations of group I (1±1.549), group II (3.83±0.408), group III (1.50±1.761), and group IV (3.83±0.408). The Kruskal Wallis test showed significant differences between the four treatment groups (p=0.005). The combination of 2.5% NaOCl + 2% Nanochitosan Oligosaccharide irrigation with MTA resulted in the lowest microleakage
Fracture Resistance and Stress Distribution of Polyether Ether Ketone as Post-Core In Endodontically Treated Tooth: A Systematic Review : Fracture Resistance and Stress Distribution of Polyether Ether Ketone Puteri Ridha Ramadhani; Wandania Farahanny; Trimurni Abidin; Dennis Dennis
Journal of Syiah Kuala Dentistry Society Vol. 10 No. 2 (2025): Vol 10 No. 2 2025
Publisher : Universitas Syiah Kuala

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Abstract

Various post and core materials have been developed for endodontic restorations. Polyether ether ketone (PEEK) has an elastic modulus similar to dentin, reducing stress and improving tooth biomechanics, which may lower the risk of complications in final restorations. The objective of this systematic review was to synthesize findings from studies comparing the fracture resistance and stress distribution of post and core systems made from polyether ether ketone (PEEK) with those constructed from conventional materials. The review, conducted following PRISMA 2020 guidelines, involved a search of multiple databases, including PubMed, ScienceDirect, Wiley Online Library, Semantic Scholar, and Google Scholar, for studies published between 2014 and 2024. Keywords such as polyether ether ketone, PEEK, post-core, and endodontically treated teeth were used, resulting in 788 articles, of which 13 met the eligibility criteria. The findings indicated that PEEK post and core systems exhibited lower stress concentrations compared to conventional materials, thereby reducing the risk of irreparable root fractures. PEEK shows great potential as a material for post and core restorations. However, its use in endodontically treated teeth is not well-explored, and further research is required to better understand its mechanical properties in this context.
Co-Authors Cut Nurliza Dennis Dennis Puteri Ridha Ramadhani Wandania Farahanny Widi Prasetia Zahrah Nabilah