1. Comparison Between SS-OCT & CLSM in Assessment of Restoration Defects

    Comparison Between SS-OCT & CLSM in Assessment of Restoration Defects

    Objectives: Composite restorations suffer from polymerization shrinkage upon curing, which leads to gap formation at the tooth-restoration interface. These gaps might weaken the restoration integrity and vary in size. The aim of this study is to assess the tooth-restoration interface using swept source optical coherence tomography (SS-OCT) and to compare the findings with confocal laser scanning microscope (CLSM). Methods: Round class-I cavities 3mm in diameter and 1.5mm in depth were prepared on 16 human premolars. After application of Clearfil Tri-S bond, four types of composite restoration were tested; Flow FX, Majesty Posterior, Clearfil AP-X and Majesty LV (all by ...

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