两种扩弓方式对唇腭裂患者上颌骨影响的CBCT测量分析

›› 2020, Vol. 11 ›› Issue (3): 173-175.

两种扩弓方式对唇腭裂患者上颌骨影响的CBCT测量分析

杜娟¹,龚爱秀²

1. 江苏护理职业学院
2. 南京医科大学附属儿童医院

收稿日期:2020-04-28 修回日期:2020-06-03 出版日期:2020-09-25 发布日期:2020-09-30
通讯作者: 龚爱秀 E-mail:gongax2013@163.com
基金资助:
江苏省妇幼健康科研项目;江苏省口腔疾病研究重点实验室开放课题

Cone beam computer tomography analysis of maxillary changes by two different maxillary expansion methods

Juan JuanDu¹,

Received:2020-04-28 Revised:2020-06-03 Online:2020-09-25 Published:2020-09-30

摘要/Abstract

摘要： 目的：研究快速和慢速扩弓对唇腭裂患者上颌骨的三维影响。方法：采用Hass矫治器进行快速或慢速扩弓，每组患者各8例，平均年龄9.5岁。治疗前后分别进行锥形束CT（cone beam CT, CBCT）分析，测量项目包括：上颌骨颊侧骨板的厚度、腭中缝宽度、基骨弓间距离、鼻腔宽度。结果：快速及慢速扩弓均可使腭中缝打开量、基骨弓宽度增加量、上颌骨宽度增加量（P＜0.05），鼻腔宽度增加，颊侧骨板的厚度减少量在慢性扩弓组较少，但无显著性差异（P＞0.05）。上述指标在快速扩弓和慢速扩弓之间无统计学差异（P＞0.05）。结论：在唇腭裂患者中，快速和慢速扩弓均可增加上颌骨宽度，但慢性扩弓组可能更有利于颊侧骨组织改建。

关键词: 唇腭裂, 上颌扩弓, 锥形束CT

Abstract: Objective: To investigate maxillary changes of rapid and slow maxillary expansion protocols through cone beam CT （CBCT）analysis. Methods: Sixteen patients (mean age 9.5years) were randomly distributed into 2 groups: rapid maxillary expansion (n = 8) and slow maxillary expansion (n = 8) via Hass appliance. Maxillary changes were measured by cone beam computer tomography analysis. The buccal bone plate thickness, palatal cleft width， nasal cavity width, and maxillary width were also recorded accordingly. Results: We found no statistical difference between the two groups in terms of palatal cleft width， nasal cavity width, and maxillary width（P＞0.05).Buccal bone plate thickness reduction was smaller in slow maxillary expansion group than those in rapid maxillary expansion group, althrough there was no statistical difference. Conclusions: Rapid and slow maxillary expansion could expand the maxillary width, and the slow maxillary expansion might result in light and continuous force which might be more favorable to periodontal tissue.

Key words: cleft lip and palate, maxillary expansion, cone beam CT

杜娟龚爱秀. 两种扩弓方式对唇腭裂患者上颌骨影响的CBCT测量分析[J]. 口腔生物医学, 2020, 11(3): 173-175.

Juan JuanDu. Cone beam computer tomography analysis of maxillary changes by two different maxillary expansion methods[J]. Oral Biomedicine, 2020, 11(3): 173-175.

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