To Some Degree,prevention of Periodontal Disease Is Attributable to the Smoothness

Multiple Choice

To some degree,prevention of periodontal disease is attributable to the smoothness of cementum because bacteria that initiate gingival and periodontal diseases are prevented from accumulating on smooth surfaces.

A) Both the statement and the reason are correct and related.
B) Both the statement and the reason are correct but are NOT related.
C) The statement is correct,but the reason is NOT correct.
D) The statement is NOT correct,but the reason is correct.
E) NEITHER the statement NOR the reason is correct.