A. Decreases with age
B. Increases with age
C. Remains the same
D. Is not age-related
Answer:
B. Increases with age
Because the mucogingival junction remains stationary throughout adult life, changes in the width of attached gingiva are caused by the modification in the position of the coronal end.
The width of attached gingiva increases with age and in supraerupted teeth, with the wear of the incisal edge and continued tooth eruption. The gingival margin of the tooth, therefore the entire dentogingival complex, moves coronally with a resulting increase in width of the attached gingiva.
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