Abstract
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 re...
Highlights
Direct restoration with resin composite has become the most frequently employed restorative treatment in the daily dental practice (Demarco, Correa, Cenci, Moraes, & Opdam, 2012)
This paper evaluated the adaptation of bulk-fill resin composite restorations using optical coherence tomography
This study aimed to evaluate marginal gap formation in the gingival floor of class-II cavities restored with a light-cured or a dual-cured bulk-fill resin composite using cross-polarization Optical coherence tomography (OCT) (CP-OCT)
Summary
Direct restoration with resin composite has become the most frequently employed restorative treatment in the daily dental practice (Demarco, Correa, Cenci, Moraes, & Opdam, 2012). In an attempt to reduce the polymerization stresses and considering the depth of cure in conventional resin-based composites (RBCs), the incremental placement technique with increments of 2 mm or less has been widely adopted This technique has shown to reduce the volume and bonded surface area of each increment material and improve light-beam penetration throughout the entire increment, and is believed to lower the shrinkage stress and cuspal deflection (Park, Chang, Ferracane, & Lee, 2008; Soares, Bicalho, Tantbirojn, & Versluis, 2013; Souza-Junior et al, 2011). This study aimed to evaluate marginal gap formation in the gingival floor of class-II cavities restored with a light-cured or a dual-cured bulk-fill resin composite using cross-polarization OCT (CP-OCT). The tested null hypothesis of the study was that there was no difference in gingival marginal adaptation between the tested groups
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