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  • Title: The remodeling of human gingival tissues following gingivectomy.
    Author: Afshar-Mohajer K, Stahl SS.
    Journal: J Periodontol; 1977 Mar; 48(3):136-9. PubMed ID: 264962.
    Abstract:
    A total of 30 facial gingivectomies were carried out for reduction of suprabony pockets (mean +/- S.D. preoperative pocket depth 2.8 mm +/- 0.3 mm). Remodeling of the gingival margin was monitored by clinical measurements. The following techniques were utilized: A polyvinyl stent was constructed for each surgical quadrant. This stent covered the occlusal margins of the involved teeth and contained the fixed point of reference. Preoperatively, the following measurements were taken: the distance from the fixed point to (a) the height of the free gingival margin, and (b) the base of the clinical pocket. For control purposes similar measurements were taken at the facial surface of an adjacent tooth. A standard gingivectomy to the base of the clinical pocket was then performed and a periodontal dressing was applied for 1 week. Utilizing the stent (fixed point of reference), measurements were taken of the healing margin and control sites inn the same manner as preoperatively; 1,4,8 and 12 weeks after surgery. Our findings indicate that 12 weeks after gingivectomy, the newly formed free gingival margin was located coronally to the line of incision in all cases. The mean pocket depth at 12 weeks after surgery was 0.7 mm +/- 0.2 mm. However, the mean gain in coronal marginal height was 1.2 mm +/- 0.3 mm. Thus, a clinical coronal pocket closure of about 0.5 mm seemed to have taken place at the soft tissue-tooth interface. Measurements at the nonoperated control site showed no significant variations in crevicular depth during the experimental period. We therefore conclude that the excisional reduction of a crevice to 0 mm depth was altered by gingival remodeling during the healing phase. In our experience, this remodeling took place within 3 months after surgery and clinically appeared as a limited coronal pocket closure and gain of marginal height.
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