Violation
Root resorption of permanent teeth may be associated with 1. excessive orthodontic forces. 2. periapical granuloma. 3. traumatic injury. 4. periapical osseous dysplasia (periapical cemento-osseous dysplasia).
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only
All of the above.