The correct Answer is C. Transseptal fibers
Types of gingival fibers
There are three 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.
* 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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