Violation
Maxillary midline diastema can be caused by 1. a mesiodens. 2. congenitally missing lateral incisors. 3. a tongue thrust habit. 4. a thumb-sucking habit.
All of the above.
(4) only
(2) and (4)
(1) and (3)
(1) (2) (3)
Maxillary midline diastema can be caused by 1. a mesiodens. 2. congenitally missing lateral incisors. 3. a tongue thrust habit. 4. a thumb-sucking habit.
All of the above.
(4) only
(2) and (4)
(1) and (3)
(1) (2) (3)