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Dental General 718fce89

One of the following statements regarding pin retained restoration is NOT true

A
Pinholes should never be prepared at different levels on the tooth
B
A minimum of 0.5 mm clearance should be provided around the circumference of the pin for adequate condensation of the amalgam
C
Pinhole should located on a flat surface that is perpendicular to the proposed direction of the pinhole
D
The pinhole should be positioned no closer than 1 mm to DEJ and no closer than 1.5 mm to the external surface.
High-Yield Explanation
No explanation provided.
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