Violation
An 8 year old child has an 8 mm diastema between teeth 1.1 and 2.1. This could indicate the presence of 1. an enlarged frenum. 2. a cyst. 3. one or more mesiodens. 4. normal development.
(1) and (3)
(1) (2) (3)
(2) and (4)
(4) only
All of the above.