Proximal contact tightness between two different restorative materials – An in vitro study
Creating tight anatomic correct proximal contacts still remains difficult when placing direct posterior composite resin restorations. Inadequate contact may lead to food impaction, periodontal diseases, and cause tooth movements. Research has tried to overcome existing problems by improving material characteristics. The aim of the study is to evaluate proximal contact tightness between two different restorative materials using dental floss under foreign direct investment criteria. 40 ivorine lower left first molars with standardized MO cavities were randomly divided into two groups (n = 20) as follows: Charisma composite (Heraeus Kulzer, Microfill) and Cention N (ivoclar vivadent resin-based filling material). In both the groups, sectional matrix band and the prepared teeth were restored. Procalcitonin was measured using the tooth pressure meter (University of Technology, Delft). The data were analyzed using one-way ANOVA and Tukey Post hoc tests (P < 0.05). There was no statistically significant difference between Cention N and Charisma composite. Cention N can be used as an alternative in restoring Class II restoration. A well designed randomized controlled study with long-term follow-up must be performed to give valid evidence on the proximal contact tightness.
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