PGCEE MDS 2022: Which periodontal fibres are consistent

 # Which periodontal fibres are consistent and are reconstructed even after the destruction of the alveolar bone? 

A. Apical

B. Oblique

C. Alveolar crest group

D. Transseptal

The correct answer is D. Transseptal.

Transseptal group of PDL fibers

Functions: 

- Reconstructed even after destruction of the alveolar bone has occurred in the periodontal disease. 

- Responsible for returning teeth to their original state after orthodontic therapy. 

Position: 

Extends interproximally over alveolar bone crest and embedded in the cementum of adjacent teeth