Medina-Sotomayor Priscilla, Ortega Gabriela, Aguilar José, Ordóñez Paola, Rojas Michelle, Vásquez Roxana
Universidad Católica de Cuenca, Carrera de Odontología, Campus Universitario Azogues, Ecuador.
J Clin Exp Dent. 2023 Aug 1;15(8):e621-e628. doi: 10.4317/jced.60717. eCollection 2023 Aug.
To determine the operative time and the internal restoration gap in the restoration-tooth interface in the cavity floor using an incremental technique for conventional resins and the single-increment technique for the bulk fill resin.
In this experimental study, the internal gaps of the restoration-tooth interfaces in the cavity floors of two conventional resins and two bulk fill resins were microscopically analyzed, and the restoration times of the single-increment technique and the incremental technique were determined.
Bulk fill resins had smaller internal gap (63.31 µm) than conventional resins (333.14 µm). Regarding the restoration time, the single-increment technique obtained the best results in operative time (3.52 minutes), with significant differences relative to the incremental technique.
The Tetric N-Ceram bulk fill resin presented better performance than conventional resins relative to the internal gap of the restoration-tooth interface in the cavity floor. In addition, the single-increment technique presented a short clinical restoration time. Composite, internal gap, restoration technique.
使用传统树脂的分层技术和大块充填树脂的单次分层技术，确定洞底修复体与牙齿界面的操作时间和内部修复间隙。
在本实验研究中，对两种传统树脂和两种大块充填树脂洞底的修复体与牙齿界面的内部间隙进行显微镜分析，并确定单次分层技术和分层技术的修复时间。
大块充填树脂的内部间隙（63.31 µm）比传统树脂（333.14 µm）小。关于修复时间，单次分层技术在操作时间（3.52分钟）上取得了最佳结果，与分层技术相比有显著差异。
相对于洞底修复体与牙齿界面的内部间隙，Tetric N-Ceram大块充填树脂比传统树脂表现出更好的性能。此外，单次分层技术的临床修复时间较短。复合材料、内部间隙、修复技术。
