Scratches or Other Disruption of the Original Manufacturer's Oxide Layer

Scratches or other disruption of the original manufacturer's oxide layer on the surface of endosseous implants are discouraged.Any contamination of the original surface will increase the risk of failure of the implant to osseointegrate.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true; the second statement is false.
D) The first statement is false; the second statement is true.