Abstract
Publisher Summary This chapter explores the various approaches to the laboratory-based assessment of dental adhesives. It is not unreasonable to take the point of view that if a material is to be used as an adhesive, one should test its adhesive qualities. However, that does not necessarily mean that one only needs to look at the ability of the adhesive to bond to a surface, be it soft tissue, bone, enamel, dentine or any man-made material. One factor that is often overlooked is the requirement for the adhesive to act as a means of transferring load from one part of a structure to another. This generates stresses and strains within the adhesive and it is important that the adhesive has the necessary mechanical properties to withstand these stresses and strains. The shear or micro-tensile bond strength tests are experiments that test the integrity of the adhesive bond, while the enamel debonding test for an orthodontic bracket is an experiment seeking to simulate the clinical situation.
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