The roots of primary molars in the absence of their permanent successors 1. sometimes are partially resorbed and become ankylosed. 2. may remain for years with no significant resorption. 3. may remain for years partially resorbed. 4. are always resorbed.
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only
All of the above.
0 explanations
Explanations are useful to guide through learning process and confirm that the correct answer is indeed correct.
0 explanations
Explanations are useful to guide through learning process and confirm that the correct answer is indeed correct.
Only registered users can add explanations