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双翼舌侧扣在龈下残根正畸牵引中的临床应用研究 被引量:2

Clinical Application Research of Double Lingual Button in the Orthodontic Traction of the Subgingival Residual Root
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摘要 目的:评价双翼舌侧扣在龈下残根正畸牵引中的临床应用研究。方法:选择龈下残根的两侧健康牙齿为支抗牙,弯制个性化弓丝,在残根合向的颊舌侧分别粘接双翼舌侧扣,采用橡皮链牵引,每2周复诊加力一次,调整加力的角度,使其与邻牙牙根保持平行,根据断根牵出距离、牙龈情况、牙周情况、患牙松动度评价疗效。结果:25颗残根修复后跟踪观察12个月,仅有2颗牙根术后有Ⅰ度松动,其他牙根稳固,无松动叩痛,无牙龈明显增生、炎症,牙周组织健康,桩冠固位稳定,根冠边缘密合;X线片检查根尖周围组织正常,无根尖周阴影,根尖周牙周膜连续,无骨质的吸收和增生,无牙槽骨吸收,牙根无复发回缩。结论:双翼舌侧扣配合个性化弓丝应用于龈下残根正畸牵引是一种较好的保留患者天然牙的方法。 Objective:To investigate the clinical efficacy of double lingual button in the orthodontic traction of the lower residual root.Method:Healthy teeth on both sides of the residual root were used supportingteeth,then personalized bow wires were curved, and the double lingual button was adhesive on buccal lingual side of the residual root.The residual root was pulled by the rubber chain which was adjusted every two weeks in order to keep parallel with adjacent tooth root.The clinical efficacy was evaluated according the traction distance,gingival and dental periphery condition,tooth mobility degrees.Result:Two teeth root had Ⅰ degree mobility among 25 residual root after 12 months;other teeth were stable,had not root mobility,gingival hyperplasia obviously or inflammation.Apical periphery tissue was normal,had not apical shadow, absorption and proliferation of bone, alveolar bone resorption or root retraction.Conclusion:The double lingual button combined personalized bow wires in the orthodontic traction of the lower residual root is the preserve effective treatment of subgingival root cutting method.
出处 《中国医学创新》 CAS 2017年第13期65-68,共4页 Medical Innovation of China
关键词 龈下断根 正畸牵引 双翼舌侧扣 个性化弓丝 Subgingival residual root Orthodontic traction Double lingual button Personalized bow wire
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