Which type of gingival fibers attaches to cementum of adjacent teeth and is present over the alveolar crest?
- Alveolar crest fibers
- Alveologingival fibers
- Transseptal fibers
- Circular fibers
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The Correct option is C
Explanation with High Yield Facts :
Types of gingival fibers
- There are two groups within which gingival fibers are arranged:
- gingivodental group - there are three types of fibers within this group:
- fibers that extend towards the crest of the gingiva
- fibers that extend laterally to the outer surface of the gingiva and
- fibers that extend outward, past the height of the alveolar crest, and then downward along the cortex of the alveolar bone.
- circular group – these fibers are unique in that they exist entirely within the gingiva and do not contact the tooth transseptal group - these fibers have traditionally been described as spanning the interproximal tissue between adjacent teeth, into which they are embedded. However, two other types of fibers have been described in this group:
- semicicular fibers - fibers that run through the facial and lingual gingiva around each tooth, attaching to the interproximal surfaces of the same tooth.
- transgingival fibers - fibers that run between two non-adjacent teeth and are embedded in the cementum of their proximal surfaces, passing around the tooth in the middle of the two teeth attached with these fibers.
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