Comparative evaluation of marginal integrity of three esthetic restorative materials in class V cavities under stereomicroscope: an in-vitro study

Abstract

Aims: The aim of this invitro study was to compare the marginal integrity among three esthetic restorative materials. Methods and Material: This study was conducted on 60 freshly extracted human premolars in which Standardized Class V cavities were prepared. Teeth were equally assigned to three groups : GC- Aenial Anterior Composite(Group A), Tetric N- Ceram(Group B), Palfique LX5(Group C). Each group containing 20 teeth were restored and then stored in distilled water for 1 week at 37°C. The specimens were dried and painted with two coats of nail varnish on the teeth except 2mm around the cervical margins of the restoration and air dried. After that the teeth were kept in 2 % methylene blue solution for 24 hours. After sectioning the teeth, the sectioned halves were then evaluated for dye penetration under stereomicroscope. Statistical analysis used: The statistical analysis was performed using the Kruskal-Wallis test along with post hoc pairwise comparison by Mann Whitney U test. Results: The findings suggested that Tetric N-Ceram was superior to the other two composite materials Conclusions: Marginal leakage scores of novel restorative material, Tetric N- Ceram was minimal and within acceptable limits compared to other tested material.