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中华口腔医学研究杂志(电子版) ›› 2008, Vol. 02 ›› Issue (02) : 159 -165. doi: 10.3877/cma.j.issn.1674-1366.2008-02-010

临床研究

成人腭裂患者牙弓形态的比较研究
张国志1,(), 叶斌1, 刘宪1, 王林2, 严斌2   
  1. 1. 518020 深圳市人民医院口腔医学中心颌面外科
    2. 210029 南京医科大学附属口腔医院正畸科
  • 收稿日期:2008-01-04 出版日期:2008-04-01
  • 通信作者: 张国志
  • 基金资助:
    深圳市卫生局资助项目(97010)

A comparative study on dento-arch morphology in adult cleft palate patients

Guozhi ZHANG1,(), Bin YE1, Xian LIU1, Lin WANG1, Bin YAN1   

  1. 1. Stomatoloical Center of Shenzhen People's Hospital, Shenzhen 518020, China
  • Received:2008-01-04 Published:2008-04-01
  • Corresponding author: Guozhi ZHANG
引用本文:

张国志, 叶斌, 刘宪, 王林, 严斌. 成人腭裂患者牙弓形态的比较研究[J/OL]. 中华口腔医学研究杂志(电子版), 2008, 02(02): 159-165.

Guozhi ZHANG, Bin YE, Xian LIU, Lin WANG, Bin YAN. A comparative study on dento-arch morphology in adult cleft palate patients[J/OL]. Chinese Journal of Stomatological Research(Electronic Edition), 2008, 02(02): 159-165.

目的

探讨腭裂畸形本身及修复术对牙弓形态发育的影响。

方法

应用牙颌模型CT 扫描测量系统,对比分析正常成人、单侧完全性唇腭裂(UCLP)均已修复组以及腭裂未修复组成人患者牙弓形态特征。

结果

腭裂术后组上颌牙弓各段宽度、牙弓前段长度均显著小于未手术组(P <0.01);未手术组上颌牙弓前段宽度、上下颌牙弓长度均显著小于正常组(P <0.01),而上下颌牙弓后段宽度大于正常组(P <0.001)。

结论

腭部裂隙对上颌牙弓发育的影响仅仅局限于牙弓前部裂隙邻近的区域,腭裂手术是造成上颌牙弓宽度缩窄的主要原因,同时也抑制了上颌牙弓前段长度发育。

Objective

To investigate the effects of cleft palate and palatoplasty on the development of dental-arch morphology.

Methods

CT scanning and imaging system for dental cast measurement was applied to analyze the differences in dental-arch morphology among 30 adults with normal occlusion, 30 adult patients with unilateral complete cleft lip and palate(UCLP) after palatoplasty and 30 patients without surgery.

Results

All the maxillary arch widths and anterior arch lengths in the surgical group were significantly smaller than those of the non-surgical group(P <0.01). Compared with the control group, the widths of maxillary anterior arch, maxillary and mandibular posterior arch were all significantly smaller,while both maxillary and mandibular posterior arch widths were significantly larger in the non-surgical group(P <0.01).

Conclusions

The influence of cleft palate on the maxillary arch development is limited to the region close to the cleft in the anterior arch. Palatoplasty was the main factor contributing to the constriction of maxillary arch, and meanwhile, the sagittal development of anterior arch was inhibited.

图1 上颌牙弓宽度测量示意图 U/LW3:上下颌两侧尖牙牙尖间的距离, U/LW4b:上下颌两侧第一双尖牙颊尖间的距离, U/LW5b:上下颌两侧第二双尖牙颊尖间的距离, U/LW6mb: 上下颌两侧第一磨牙近中颊尖间的距离, U/LW6db:上下颌两侧第一磨牙远中颊尖间的距离, U/LW7mb:上下颌两侧第二磨牙近中颊尖间的距离, U/LW7db: 上下颌两侧第二磨牙远中颊尖间的距离, MTW:上颌结节间宽度,两侧上颌结节后缘间的距离
图2 上颌牙弓长度测量示意图 UL3:上颌牙弓前段长度,即上颌中切牙近中接触点至两侧尖牙联线的垂直距离, UL3-6:上颌牙弓后段长度,即上颌两侧尖牙联线至两侧第一磨牙远中联线的垂直距离, LL6:下颌牙弓长度,即下颌中切牙近中接触点至两侧第一磨牙远中联线的垂直距离
表1 3 组间上颌牙弓宽度和长度的比较(,mm)
表2 3 组间下颌牙弓宽度和长度的比较(,mm)
图3 3 组间上颌牙弓宽度比较的箱式图 注:“O”代表离群值,“*”代表极端值
图4 3 组间下颌牙弓宽度比较的箱式图
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