Violation
In a 7 year old, the intrusion of a permanent central incisor can cause 1. laceration of the periodontal membrane. 2. loss of pulp vitality. 3. ankylosis. 4. root resorption.
All of the above
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only
In a 7 year old, the intrusion of a permanent central incisor can cause 1. laceration of the periodontal membrane. 2. loss of pulp vitality. 3. ankylosis. 4. root resorption.
All of the above
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only