Marginal adaptation of different bulk-fill composites : a microcomputed tomography evaluation
Author
Source
Issue
Vol. 37, Issue 1 (31 Jan. 2022)8 p.
Publisher
Publication Date
2022-01-31
Country of Publication
Oman
No. of Pages
8
Main Subjects
Abstract EN
Objectives : In the last decade, bulk-fill materials were introduced to allow resin-based composites (RBC) in one layer (up to 4-5 mm thick) with optimum polymerization.
We sought to evaluate the adaptation ability of different bulk-fill composites resin (CRs) and restoration marginal integrity.
Methods : A total of 28 caries-free and crack-free human molars underwent mesio-occlusal-distal cavity preparation.
Each sample prepared the mesial margins on enamel, and the distal margins were extended into dentin.
Teeth were then randomly distributed into four groups (n=7 per group) according to the CR used to restore the cavity.
Three bulk-fill CRs-Smart Dentin Replacement Flow+, 3M™ Filtek™ One Bulk Fill (FBF), and Tetric® N-Ceram Bulk Fill (TBF)-and one conventional CR (CC)-Filtek Z350-were used.
The teeth were then subjected to aging via thermocycling, followed by cyclic loading.
Finally, the volumetric width of the interfacial gap at the tooth-restoration interface was measured using a microcomputed tomography (u-CT) analysis.
Results : SDR demonstrated the smallest gap volume among all tested CRs, followed by CC in enamel and TBF in dentin after aging.
FBF showed the highest gap volume.
There was no statistically significant three-way interaction between surface, aging, and material (p > 0.050).
Conclusions : It is safe to suggest using bulk-fill RBC in deep class II cavities instead of conventional layered RBC when dealing with dentin margins.
However, further clinical investigation is required.
American Psychological Association (APA)
al-Shaykh, Rasha Numan Ali. 2022. Marginal adaptation of different bulk-fill composites : a microcomputed tomography evaluation. Oman Medical Journal،Vol. 37, no. 1.
https://search.emarefa.net/detail/BIM-1492242
Modern Language Association (MLA)
al-Shaykh, Rasha Numan Ali. Marginal adaptation of different bulk-fill composites : a microcomputed tomography evaluation. Oman Medical Journal Vol. 37, no. 1 (Jan. 2022).
https://search.emarefa.net/detail/BIM-1492242
American Medical Association (AMA)
al-Shaykh, Rasha Numan Ali. Marginal adaptation of different bulk-fill composites : a microcomputed tomography evaluation. Oman Medical Journal. 2022. Vol. 37, no. 1.
https://search.emarefa.net/detail/BIM-1492242
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p.
Record ID
BIM-1492242