Fracture resistance of premolars with bonded amalgam restorations

Abstract EN

The aim of this in vitro study is to evaluate the fracture resistance of pre-molars with three surface amalgam restorations.

Fifty premolars were used, and divided into five groups.

The teeth in group one remains intact whereas the teeth in the second group prepared and not restored.

The teeth in the third group prepared and restored with amalgam only.

In groups four and five, the amalgam res-to rations were lined with All–Bond 2 and Scotch bond Multi-Purpose Plus respectively.

After thermo cycling, the teeth were tested under universal compression ma-chine at a crosshead speed 5 mm/minute.

Data were analyzed using one way Ana-lysis of Variance and Duncan’s Multiple Range Test.

The results of this study indicate that both Scotch bond Multi-Purpose Plus and All–Bond 2 increase the fracture resistance as compared to the control groups (groups two and three).

The results of this study also show no significant difference between the two bonding agents regarding teeth fracture resistance.