Narrowing of periodontal ligament in labially placed mandibular canine with age is due to________?
AGingival cysts formed from cell rests
BReversal of function of horizontal and oblique fibres
CDown growths of gingival epithelium
DDue to deposition of cementum and bone
Correct answer
D. Due to deposition of cementum and bone
Explanation
The correct answer is Due to deposition of cementum and bone.