Violation

Which of the following can be characterized by a narrowing of pulp chambers and root canals? 1. Aging. 2. Chronic trauma. 3. Dentinal dysplasia. 4. Taurodontism.

(1) (2) (3)

(1) and (3)

(2) and (4)

(4) only

All of the above

Please describe the matter of abuse