成人骨性Ⅲ类患者正畸掩饰性治疗后软硬组织变化的研究

doi:10.13701/j.cnki.kqyxyj.2020.11.020

口腔医学研究 ›› 2020, Vol. 36 ›› Issue (11): 1074-1078.DOI: 10.13701/j.cnki.kqyxyj.2020.11.020

• 口腔正畸学研究 • 上一篇

成人骨性Ⅲ类患者正畸掩饰性治疗后软硬组织变化的研究

刘玲霞, 关雨欣, 武秀萍^*

山西医科大学口腔医学院·口腔医院山西太原 030001

收稿日期:2020-03-11 出版日期:2020-11-28 发布日期:2020-11-27
通讯作者: *武秀萍,E-mail:77wxp@163.com
作者简介:刘玲霞(1994~ ),女,山西临汾人,硕士在读,主要从事骨性Ⅲ类错牙合及无托槽隐形矫治相关研究。
基金资助:
山西省科技攻关重点项目(编号:201803D31065)山西省高等学校优秀成果培育项目(编号:2019KJ024)

Soft and Hard Tissue Changes in Adults with Skeletal Class Ⅲ Malocclusion Before and After Camouflage Therapy

LIU Lingxia, GUAN Yuxin, WU Xiuping^*

School and Hospital of Stomatology, Shanxi Medical University, Taiyuan 030001, China

Received:2020-03-11 Online:2020-11-28 Published:2020-11-27

摘要/Abstract

摘要： 目的:探讨成人骨性Ⅲ类错牙合患者非拔牙掩饰性正畸治疗后软硬组织的变化及其相关性。方法:选取进行非拔牙掩饰性正畸治疗的20例成人骨性Ⅲ类错牙合患者,对其治疗前后头颅侧位片上的18项硬组织及15项软组织相关指标进行测量,比较治疗前后软硬组织的变化及其相关性。结果:治疗后硬组织测量指标:SNA,U1-SN,U1-VRL,U1-HRL增大,L1-VRL减少,差异具有统计学意义(P<0.05);软组织测量指标,面凸角减小,Sn-VRL,A'-VRL,UL-VRL增大,LL-VRL减小,差异具有统计学意义(P<0.05);软硬组织相对应的距离测量项目在矢状向的变化具有不同程度相关性(P<0.05)。结论:成人骨性Ⅲ类患者非拔牙掩饰性治疗主要通过上切牙唇倾及下切牙回收改善骨面畸形,治疗后患者软组织侧貌有一定改善,上唇向前移动,下唇内收,且软硬组织变化存在一定的相关性。

关键词: 骨性Ⅲ类错牙合, 正畸掩饰性治疗, 软硬组织变化

Abstract: Objective: To explore the changes and the correlation between soft and hard tissue in adults with skeletal class Ⅲ malocclusion before and after non-extraction camouflage treatment. Methods: Lateral cephalometric radiographs of 20 adult's subjects with skeletal Class III malocclusions were selected. 18 items of hard tissue and 15 items of soft tissue were measured before and after treatment to compare the changes and the correlation between soft and hard tissue. Results: After treatment, the index of hard tissue: SNA, U1- SN, U1-VRL, and U1-HRL increased, while L1-VRL decreased. The difference was statistically significant (P<0.05). The index of soft tissues: Sn-VRL, A'-VRL, UL-VRL increased, while facial convexity angle and LL-VRL decreased (P<0.05). The distance measuring index of soft and hard tissue had different degree correlation in sagittal direction (P<0.05) . Conclusion: In Class Ⅲ malocclusions, the mandibular incisors were relatively retroclined, and the maxillary incisors were relatively proclined to compensate for skeletal dysplasia after non-extraction camouflage treatment. The soft tissue profile was improved, the upper lip moved forward, and the lower lip was retracted. There was a correlation between the changes of soft and hard tissue.

Key words: Skeletal Class Ⅲ malocclusion, orthodontic camouflage therapy, soft and hard tissue changes

刘玲霞, 关雨欣, 武秀萍. 成人骨性Ⅲ类患者正畸掩饰性治疗后软硬组织变化的研究[J]. 口腔医学研究, 2020, 36(11): 1074-1078.

LIU Lingxia, GUAN Yuxin, WU Xiuping. Soft and Hard Tissue Changes in Adults with Skeletal Class Ⅲ Malocclusion Before and After Camouflage Therapy[J]. Journal of Oral Science Research, 2020, 36(11): 1074-1078.

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成人骨性Ⅲ类患者正畸掩饰性治疗后软硬组织变化的研究

Soft and Hard Tissue Changes in Adults with Skeletal Class Ⅲ Malocclusion Before and After Camouflage Therapy

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