Shear, torsional, and tensile bond strengths of ceramic brackets using three adhesive filler concentrations

AJ Ostertag, VB Dhuru, DJ Ferguson… - American Journal of …, 1991 - Elsevier
The effect of changes in adhesive filler concentration on the shear, torsional, and tensile
bond strength of a chemical, a mechanical, and a chemical/mechanical retained ceramic
bracket was evaluated. Two hundred ten bovine teeth were bonded with one of three
ceramic brackets using a 30%, 55%, or 80% filled adhesive. The brackets were debonded
with a shear, torsional, or tensile force to test the bond strength and the site of bond failure.
No significant difference was found in the shear, torsional, or tensile bond strength of each …
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