Clinical Research Associates

Methods Comparison Index

The following information accompanies the June 2002 CRA Newsletter.
1- Characteristics of an Ideal Shear Bond Test
2- Parameters for Each Method
3- Protocol For Each Test Method

A. Notched Shear Bond Test (Ultradent)
B. Metal Iris Shear Bond Test (NIST)
C. Single Plane Lap Shear Bond Test (Watanabe @ UCSF)
D. Flat 2mm Edge Shear Bond Test (Established by CRA though literature review)

4-Failure Modes as Determined by Stereo Microscope at 50x

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