spot-On™ Verifier


Prep clearance verifier

This crown prep clearance instrument allows the operator to check both occlusal reduction (2mm end) and ceramic margins (1.5 mm end).

-Accurately measure the clearance of your preps (ESPECIALLY 2nd molar blind areas)

-Simply pass the instrument through – any binding reveals under-reduced areas

-Position articulating paper between the teeth, pass the instrument through – marks will appear on your prep in the exact location where more reduction is needed!



This fast and easy crown prep clearance instrument will serve as your permanent occlusal clearance guide. One end of the instrument achieves a prep gauge measurement of 2 mm and the other 1.5 mm.

Additional information

Weight .03 kg
Dimensions 17 × 2.4 × .9 cm


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