Violation

The features of aggressive (rapidly progressive) periodontitis are 1. rapid attachment loss. 2. suspected periodontal microbial pathogens. 3. onset before the age of 35. 4. ulcerations of the gingiva.

All of the above.

(1) (2) (3)

(1) and (3)

(2) and (4)

(4) only

Please describe the matter of abuse