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The relation of gingival thickness to dynamics of gingival margin position pre- and post-surgically.

作者信息

Vandana Kharidhi Laxman, Gupta Ira

机构信息

Department of Periodontics and Oral Implantology, College of Dental Sciences, Davangere, Karnataka, India.

Rama Dental College and Hospital and Research Centre, Lakhanpur, Kanpur, Uttar Pradesh, India.

出版信息

J Indian Soc Periodontol. 2016 Mar-Apr;20(2):167-73. doi: 10.4103/0972-124X.175173.

Abstract

BACKGROUND

To evaluate the gingival margin position (GMP) before and after open flap debridement in different gingival thickness (GT).

MATERIALS AND METHODS

Twenty-seven healthy patients with moderate to advanced adult periodontitis were included in a randomized control clinical trial. A calibrated UNC-15 periodontal probe, an occlusal onlay stent was used for clinical measurements recorded at baseline, 3 month, 6 month, and 16 month. The changes in the GMP were studied at midbuccal (Mi-B), mesiobuccal (MB), and distobuccal sites. GT was measured presurgically, transgingivally at Mi-B and interdental sites, divided into 2 groups: Group 1 (thin) and Group 2 (thick).

RESULTS

In GT of ≤1 mm group, the statistically significant apical shift of GMP led to gingival recession at all study sites in the early postsurgical period of 1 and 3 months. During 6 and 16 months, the apical shift of GMP coincided with the Chernihiv Airport at Mi-B site (6 months), MB site (16 months). The gingival recession was obvious at Mi-B sites (16 months). In the GT of >1 mm, the statistically significant apical shift of GMP did not cause gingival recession at any sites throughout postsurgical (1, 3, 6, and 16 months) period.

CONCLUSION

Thin gingiva showed apical shift of GMP leading to gingival recession as compared to thick gingiva postsurgically.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e77e/4847463/13c2d75054a5/JISP-20-167-g001.jpg

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