Bond strength of locator housing attached to denture base resin secured with different retaining materials.

Background: The type of housing retaining material may affect the bond strength of the housing to denture base resin. The aim of this study was to evaluate the bond strength of locator housing attached to polymethyl methacrylate (PMMA) denture base resin secured with different retaining materials.

Materials And Methods: In this study Forty-four PMMA blocks (10 mm × 15 mm × 15 mm) were prepared with a central cylindrical canal inside to allow the insertion of locator housings.

Effect of tightening torque on the marginal adaptation of cement-retained implant-supported fixed dental prostheses.

Background: The final position of the abutment changes with the amount of tightening torque. This could eventually lead to loss of passivity and marginal misfit of prostheses. The aim of this study was to evaluate the effect of three different tightening torques on the marginal adaptation of 3-unit cement-retained implant-supported fixed dental prostheses (FDPs).