Violation
Prolonged heavy orthodontic forces may result in 1. hyalinization of periodontal ligament. 2. devitalization of the teeth. 3. pain. 4. inefficient tooth movement.
All of the above.
(4) only
(2) and (4)
(1) and (3)
(1) (2) (3)
Prolonged heavy orthodontic forces may result in 1. hyalinization of periodontal ligament. 2. devitalization of the teeth. 3. pain. 4. inefficient tooth movement.
All of the above.
(4) only
(2) and (4)
(1) and (3)
(1) (2) (3)