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学科主题: 口腔医学
题名:
Combined orthodontic-periodontal treatment in periodontal patients with anteriorly displaced incisors
作者: Cao, Tian1; Xu, Li2; Shi, Jie1; Zhou, Yanheng1
刊名: AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS
发表日期: 2015-11-01
DOI: 10.1016/j.ajodo.2015.05.026
卷: 148, 期:5, 页:805-813
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Dentistry, Oral Surgery & Medicine
研究领域[WOS]: Dentistry, Oral Surgery & Medicine
关键词[WOS]: PATHOLOGICAL TOOTH MIGRATION ; BEAM COMPUTED-TOMOGRAPHY ; INTERDISCIPLINARY TREATMENT ; AGGRESSIVE PERIODONTITIS ; ALVEOLAR BONE ; MOVEMENT ; RELAPSE ; TISSUES
英文摘要:

Introduction: Flared and elongated incisors are associated with different types of periodontal bone defects, usually horizontal. Combined orthodontic-periodontal treatment is being used in periodontal patients with anterior displacement of the incisors. The purpose of this study was to investigate the changes in periodontal health and the shape of bone defects in the incisors after such combined treatment. Methods: Fourteen adults were included in the study. In total, 56 elongated maxillary incisors with horizontal bone defects received orthodontic-periodontal treatment with circumferential supracrestal fibrotomy. To improve bone morphology, periodontal regenerative surgery and guided tissue regeneration were performed on the anterior teeth with angular bone defects after orthodontic treatment. Cone-beam computed tomography scans were taken before treatment (T0), at the end of the orthodontic intrusion (T1), and 6 months after the guided tissue regeneration surgery (T2). Probing pocket depth and clinical attachment loss were examined at T0, T1, and T2. The data were analyzed using paired t tests. Results: From T0 to T1, clinical attachment loss decreased significantly by 0.29 mm (P<0.05). The distance from the cementoenamel junction to the marginal bone crest decreased by 0.66 mm (P<0.05). The labial side of alveolar bone thickness increased by 0.54 mm (P<0.05), and the lingual side of alveolar bone thickness decreased by 0.46 mm (P<0.05). The shape of the bone defect was changed from horizontal to vertical on some teeth. From T1 to T2, both probing pocket depth and clinical attachment loss improved significantly, and the radiographic examinations showed bone redepositions of 2.15 +/- 0.68 mm (P<0.05) vertically and 1.44 +/- 0.92 mm (P<0.05) horizontally. The distance from the most apical point of the bone defect to the cementoenamel junction after combined treatment decreased by 2.11 +/- 1.30 mm (P<0.05). Conclusions: Combined orthodontic-periodontal treatment improved the periodontal conditions of the defective bone sites. Bone morphology, altered by orthodontic intrusion with fibrotomy, can improve the results of subsequent guided tissue regeneration.

语种: 英语
WOS记录号: WOS:000366200800022
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/55954
Appears in Collections:北京大学口腔医学院_牙周科_期刊论文

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作者单位: 1.Peking Univ, Dept Orthodont, Sch & Hosp Stomatol, Beijing 100081, Peoples R China
2.Peking Univ, Dept Periodont, Sch & Hosp Stomatol, Beijing 100081, Peoples R China

Recommended Citation:
Cao, Tian,Xu, Li,Shi, Jie,et al. Combined orthodontic-periodontal treatment in periodontal patients with anteriorly displaced incisors[J]. AMERICAN JOURNAL OF ORTHODONTICS AND DENTOFACIAL ORTHOPEDICS,2015,148(5):805-813.
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