Analysis of the correlation between periodontal tissues and gingival biotype after orthodontic traction of maxillary impacted canines

doi:10.19438/j.cjoms.2025.06.006

Abstract

Abstract: PURPOSE: To analyze the correlation between the periodontal tissue status and gingival biotype after orthodontic traction of maxillary impacted molars, and to provide a reference for the optimization of clinical treatment plans. METHODS: A total of 82 patients with maxillary impacted canines admitted to Affiliated Hospital of Qingdao University from October 2019 to October 2023 were selected. The gingival biotype was evaluated by digital imaging technology and periodontal probe,and the patients were divided into the thin gingival biotype group(n=47) and the thick gingival biotype group(n=35). All patients received orthodontic traction treatment. The periodontal tissue indicators such as alveolar bone thickness, height, and attached gingival width after treatment, as well as the periodontal health indicators such as periodontal pocket depth, clinical attachment loss, and gingival index were compared between the two groups. RESULTS: The labial alveolar bone thickness, apical alveolar bone thickness, labial alveolar bone height, and attached gingival width in the thick gingival biotype group were significantly greater than those in the thin gingival biotype group (P<0.05); the differences in labial and apical alveolar bone thickness and height, and the difference in attached gingival width in the thick gingival biotype group were significantly smaller than those in the thin gingival biotype group(P<0.05); periodontal pocket depth, gingival index, and clinical attachment loss in the thin gingival biotype group were significantly higher than those in the thick gingival biotype group(P<0.05). CONCLUSIONS: Patients with thick gingival biotype have smaller changes in periodontal tissue morphology and better recovery of periodontal health status after orthodontic traction of maxillary impacted canines, suggesting that preoperative evaluation of gingival biotype is of great significance for prognosis judgment and treatment plan formulation.

Key words: Maxillary impacted canine, Orthodontic traction, Gingival biotype, Periodontal tissue, Alveolar bone

CLC Number:

R782.1

Zhang Shasha, Wang Zhi, Sun Ming, Zhu Chao. Analysis of the correlation between periodontal tissues and gingival biotype after orthodontic traction of maxillary impacted canines[J]. China Journal of Oral and Maxillofacial Surgery, 2025, 23(6): 573-577.

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