| Autor: |
Turkistani, Alaa1 (AUTHOR) aturkistani1@kau.edu.sa, Ata, Areej1,2 (AUTHOR) dr.areej1993@hotmail.com, Alhammad, Raghad1,2 (AUTHOR) raghadhsh@gmail.com, Ghurab, Raneem1,2 (AUTHOR) raneem.ghurab@gmail.com, Alahmadi, Yusra1,2 (AUTHOR) yusrafaisal@gmail.com, Shuman, Muhaned1,2 (AUTHOR) muhannad-shuman@hotmail.com, Jamleh, Ahmed1,3 (AUTHOR) aojamleh@gmail.com, Naguib, Ghada1 (AUTHOR) gnagieb@kau.edu.sa, Bakhsh, Turki1 (AUTHOR) taabakhsh@kau.edu.sa, Jin, Zhongmin4 (AUTHOR) |
| Předmět: |
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| Zdroj: |
Cogent Engineering. Jan2019, Vol. 6 Issue 1, p1-12. 12p. |
| Abstrakt: |
Objective: This study evaluated interfacial gap formation in bulk-fill composite restorations using cross-polarization optical coherence tomography (CP-OCT). Materials and methods: Two bulk-fill resin composite materials each with its specific adhesive were used; light-cured Filtek Bulk Fill Posterior Restorative with Scotchbond Universal (3M ESPE) "group A" and dual-cure bulk-fill composite BulkEZ with Prelude One (Danville Materials) "group B." Proximal cavities (2 × 2 × 4.5 mm; width × length × depth) prepared on extracted human molars (n = 5) were restored with adhesives applied in self-etch mode and the composite placed in bulk. After 24 h storage, the specimens were immersed in ammoniacal silver nitrate solution for 24 h followed by a photo-developing solution for 8 h. Later, CP-OCT (Santec, Japan) at 1310 nm center wavelength was used to scan each specimen. Interfacial gap at the gingival floor was analyzed on cross-sectional OCT images obtained from each specimen at 0.5 mm interval using ImageJ analysis software. Result: Mann–Whitney test showed a significant difference (p < 0.05) between the groups with group A showing higher percentage of gap formation at the gingival floor. Conclusion: Within the limitation of the study, a better sealing of gingival margin was achieved with the dual-cure bulk-fill dental composite compared to the light-cured composite. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Library, Information Science & Technology Abstracts |
| Externí odkaz: |
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