牙槽骨缺损的锥形束CT评价  

Evaluation of alveolar bone defection through cone beam CT

作　　者：吴志玲[1] 曾东林[2] 崔敏毅[2] 温奕雄[2] 涂之平[2] 

机构地区：[1]中山大学附属第三医院口腔科,广州510630 [2]中山大学光华口腔医学院.附属口腔医院.口腔医学研究所

出　　处：《中华口腔医学研究杂志（电子版）》2011年第1期35-37,共3页Chinese Journal of Stomatological Research(Electronic Edition)

基　　金：广东省医学科研基金(A2008228);中山大学教学改革基金(520001163134)

摘　　要：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.

关 键 词：口腔锥形束CT 牙周病 数字化根尖片 牙槽骨缺损 

分 类 号：R816.98[医药卫生—放射医学] R782.1[医药卫生—临床医学]