CBCT转化的二维平片与头颅侧位片对上气道二维测量的比较研究

doi:10.13701/j.cnki.kqyxyj.2018.10.021

口腔医学研究 ›› 2018, Vol. 34 ›› Issue (10): 1117-1121.DOI: 10.13701/j.cnki.kqyxyj.2018.10.021

CBCT转化的二维平片与头颅侧位片对上气道二维测量的比较研究

孟怡彤, 张晓东^*

沈阳军区总医院口腔科辽宁沈阳 110000

收稿日期:2018-03-29 出版日期:2018-10-28 发布日期:2018-10-24
通讯作者: 张晓东,E-mail:zxd99233@163.com
作者简介:孟怡彤(1992~ ),女,辽宁鞍山人,硕士,医师,主要从事口腔正畸学研究工作。
基金资助:
辽宁省自然科学基金(编号:2015020428)

Comparative Study of Two Dimensional Measurements of Upper Airway by Two Dimensional Plain Film Transformed by CBCT and Lateral Head of Skull.

MENG Yi-tong, ZHANG Xiao-dong^*.

Department of Stomatology, General Hospital of Shenyang Military Region, Shenyang 110000, China.

Received:2018-03-29 Online:2018-10-28 Published:2018-10-24

摘要/Abstract

摘要： 目的: 研究三维CBCT转化的二维侧位片(CCB)和数值化头颅侧位片(LCR)对于上气道相同解剖部位的测量结果是否有差异,并且进行两种测量方法的可靠性分析。方法: 将个别正常牙合志愿者的CCB和LCR分别导入Winceph8.0中进行上气道矢状面的距离测量;同一测试者分别进行3次测量; 采用SPSS24.0统计软件,进行组内相关系数、配对t检验来检验不同测量的可靠性和统计学差异。结果: 个别正常牙合志愿者的CCB和LCR分别对上气道进行测量,测量结果符合正态分布后,用配对t检验发现两组不同测量方法所得的PNS-Ba、PNS-Ad1、H-C3、H-FH有统计学差异;每项测量项目都进行3次测量,发现ICC值均大于0.75,说明两种测量方法可靠性均较高,但CBCT转化的二维平片ICC平均值为0.930,而头颅侧位片的ICC平均值为0.830,说明CBCT转化所得的二维平片可靠性高于头颅侧位片。结论: 个别正常牙合的CCB和LCR在骨性标志点的测量值有统计学差异,而软组织标志点的测量值则没有统计学差异;两种测量方法可靠性均较高,但CCB可重复性高于LCR。

关键词: 个别正常牙合, 锥形束CT, 头颅侧位片

Abstract: Objective: To study the differences of the same upper airway photographed by two-dimensional CBCT (CCB) and two-dimensional cranial lateral slice (LCR), and to analyze the reliability of two measurement methods. Methods: The CBCT of individual normal occlusion was transformed into two-dimensional radiographs. The two-dimensional CBCT and lateral cephalometric radiographs were respectively imported into Winceph8.0 to measure the airway distance. The intra-class correlation coefficient and the paired t test of variance were calculated in order by SPSS24.0 statistical software to test the reliability and the statistical significance of different measuring methods. Results: The results of pair t test found that there were statistical differences among PNS-Ba, PNS-Ad1, H-C3, and H-FH between two measurements. ICC values were all greater than 0.75, indicating the reliability of both measuring methods was relatively high. However, the average of ICC when transforming CBCT into a two-dimensional radiograph was 0.930, while that of lateral cephalometric radiographs was 0.830, indicating that the reliability of transforming CBCT data into two-dimensional radiographs was higher. Conclusion: The reliability of both measurement methods was high. However, the repeatability of transforming CBCT data into two-dimensional flat plate is higher than that of head lateral radiographs.

Key words: Normal occlusion, Cone-beam CT, Lateral cephalometric radiographs

孟怡彤, 张晓东. CBCT转化的二维平片与头颅侧位片对上气道二维测量的比较研究[J]. 口腔医学研究, 2018, 34(10): 1117-1121.

MENG Yi-tong, ZHANG Xiao-dong.. Comparative Study of Two Dimensional Measurements of Upper Airway by Two Dimensional Plain Film Transformed by CBCT and Lateral Head of Skull.[J]. Journal of Oral Science Research, 2018, 34(10): 1117-1121.

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CBCT转化的二维平片与头颅侧位片对上气道二维测量的比较研究

Comparative Study of Two Dimensional Measurements of Upper Airway by Two Dimensional Plain Film Transformed by CBCT and Lateral Head of Skull.

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