The Acrylic Tooth-denture Base Bond: Effect of Mechanical Preparation and Surface Treatment

This paper was presented to the Annual Meeting of the British Society for the Study of Prosthetic Dentistry in April 2004 at Latimer House, Buckinghamshire, England. Abstract - The bond strength of acrylic teeth to denture base resins was tested using a widely-accepted technique. The pre-treatments included abrading and grooving the teeth, the application of monomer and the application of a proprietary bonding agent. Each of the 360 specimens was tensile-tested until fracture, using a universal testing machine. When bonded to heat-cured resin, the grooved teeth had the highest mean bond strength while the grooved monomertreated group had the lowest. When bonded to cold cure resin, the unabraded monomer-treated teeth had the highest mean bond strength and the unabraded group the lowest.

KEY WORDS: Denture teeth, acrylic resin bonding, auto-polymerising acrylic resin