PMID: 9553878Apr 29, 1998Paper

Resin to metal bond strengths using two commercial systems

The Journal of Prosthetic Dentistry
L G RothfussC W Elrod

Abstract

A secure bond between resin and an alloy framework is necessary for clinical success in removable prosthodontics. This study compared the shear bond strength of composite to composite to metal with two commercially available chemical bonding systems: a silicoating system (Silicoater) and a nitrogenous heterocycle-acrylonitrile system (Kevloc). Fifty-two nickel-chromium cubes were cast and composite resin was bonded to the alloy surfaces according to manufacturer's directions. After storage at 35 degrees C for 15 days, and thermocycling at 5 degrees C and 55 degrees C for 1200 cycles, the bonds were fractured in shear on a universal testing machine. Mean bond strength for the silicoated sample was 10.93 MPa and for the heterocycle-acrylnitrate system 11.44 MPa. An unpaired t test revealed no difference between the groups (p = 0.60). Visual inspection of the fracture surfaces revealed that failure was adhesive at the resin-to-metal surface in almost all the specimens.

Citations

Jul 22, 2006·Journal of Oral Rehabilitation·I SeimenisTr Papadopoulos
Nov 30, 2019·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Yara OweisFaleh Tamimi

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