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中华口腔医学研究杂志(电子版) ›› 2011, Vol. 5 ›› Issue (01) : 58 -62. doi: 10.3877/cma.j.issn.1674-1366.2011.01.009

临床研究

牙槽骨缺损的锥形束CT 评价
吴志玲1, 曾东林2,(), 崔敏毅2, 温奕雄2, 涂之平2   
  1. 1.510630 广州,中山大学附属第三医院口腔科
    2.510630 广州,中山大学光华口腔医学院·附属口腔医院·口腔医学研究所
  • 收稿日期:2010-05-05 出版日期:2011-02-01
  • 通信作者: 曾东林
  • 基金资助:
    广东省医学科研基金(A2008228)中山大学教学改革基金(520001163134)

Evaluation of alveolar bone defection through cone beam CT

Zhi-ling WU1, Donglin ZENG,1(), Min-yi CUI1, Yi-xiong WEN1, Zhi-ping TU1   

  1. 1.Oral Department, Affiliated Hospital of Sun Yatsen University, Guangzhou 510630, China
  • Received:2010-05-05 Published:2011-02-01
  • Corresponding author: Donglin ZENG
引用本文:

吴志玲, 曾东林, 崔敏毅, 温奕雄, 涂之平. 牙槽骨缺损的锥形束CT 评价[J/OL]. 中华口腔医学研究杂志(电子版), 2011, 5(01): 58-62.

Zhi-ling WU, Donglin ZENG, Min-yi CUI, Yi-xiong WEN, Zhi-ping TU. Evaluation of alveolar bone defection through cone beam CT[J/OL]. Chinese Journal of Stomatological Research(Electronic Edition), 2011, 5(01): 58-62.

目的

研究口腔锥形束CT(CBCT)在评价牙槽骨缺损方面的作用。

方法

拍摄10 例牙周病患者全口数字化根尖片和CBCT,分别在医用显示器上观察分析256 颗牙位近远中、颊舌向的牙槽骨缺损情况。

结果

数字化根尖片和CBCT 均可以显示近远中牙槽骨情况,两者之间差异无统计学意义;在数字化根尖片上不能准确判断牙槽骨缺损是位于颊侧或舌侧,CBCT 可以准确显示颊舌向牙槽骨缺损情况,CBCT 明显优于数字化根尖片。

结论

CBCT比根尖片更有利于牙槽骨缺损的诊断。

Objective

To study the effect of cone beam CT (CBCT) in assessment of alveolar bone defection.

Methods

Ten patients with periodontosis were selected for study. Each patient was taken full mouth intraoral periapical digital images and CBCT. Images were viewed on digital medical monitor. The periodontal bone of 256 teeth was evaluated with periapical digital image system and CBCT system respectively.

Results

Both intraoral periapical digital image system and CBCT system could clearly show the alveolar bone defects in medial-distal orientation.There is no significant difference between two systems according statistic analysis. However, the alveolar bone defects in lingual-buccal orientation could not be shown accurately on intraoral periapical digital image, it was able to be distinguished clearly on CBCT.

Conclusion

CBCT has more advantages than intraoral periapical digital images in evaluating alveolar bone defection.

表1 两种检查技术中牙槽骨缺损的准确判断情况(例)
图1 CBCT 全景断层成像,箭头示显示下颌牙列近远中向情况
图2 右下颌6 根分叉病变情况,箭头所示 A:根尖片显示; B:CBCT 冠状位断层成像,显示骨质吸收位于牙槽嵴中部偏舌侧
图3 右下颌6 远中根病变情况,箭头所示 A:根尖片显示;B:CBCT 冠状位断层成像,显示根尖部舌侧骨质吸收严重于颊侧
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