Narrowing of periodontal ligament in labially placed mandibular canine with age is due to_____________?

A.\tDue to deposition of cementum and boneCorrect Answer

B.\tDown growths of gingival epithelium

C.\tGingival cysts formed from cell rests

D.\tReversal of function of horizontal and oblique fibres

Correct Option: A.\tDue to deposition of cementum and bone

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