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9177 Dental

Not true about desensitization is:

AInvolves deep muscle relaxation through the presentation of imaginary, anxiety provoking stimuli
BThe technique demonstrated by James and popularized by Wolpe
CFor use in dentistry presentation of imaginal scenes are necessary
DNone of the above
Dental
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9178 Dental

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

APinholes should never be prepared at different levels on the tooth
BA minimum of 0.5 mm clearance should be provided around the circumference of the pin for adequate condensation of the amalgam
CPinhole should located on a flat surface that is perpendicular to the proposed direction of the pinhole
DThe pinhole should be positioned no closer than 1 mm to DEJ and no closer than 1.5 mm to the external surface.
Dental
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