Violation
The principal growth sites of the maxilla in a downward and forward direction include the 1. frontomaxillary suture. 2. zygomaticomaxillary suture. 3. pterygopalatine suture. 4. median palatine suture.
(1) and (3)
(1) (2) (3)
(2) and (4)
(4) only
All of the above.