CBCT在牙根纵折诊断中的作用及影响因素分析  

The role and influencing factors of CBCT in the diagnosis of vertical root fracture

作　　者：刘玉[1] 杨洁[1] 廖倬逸 孙卫斌[1] LIU Yu;YANG Jie;LIAO Zhuo-yi;SUN Wei-bin(Department of Periodontology,Nanjing Stomatology Hospital,Medical School of Nanjing University,Jiangsu Nanjing 210008,China.)

机构地区：[1]南京大学医学院附属口腔医院南京市口腔医院牙周科,江苏南京210008

出　　处：《临床口腔医学杂志》2018年第11期663-666,共4页Journal of Clinical Stomatology

基　　金：国家自然科学基金面上项目(51472115;51772144);南京市医学科技发展资金资助(QRX17080)

摘　　要：目的:探讨锥形束CT(cone-beam computed tomography,CBCT)在牙根纵折诊断中的作用。方法:对120例疑似牙根纵折(vertical root fractures,VRF)病例资料进行分析,以肉眼见裂纹为诊断依据,并根据根管是否有内容物分析其对CBCT判读结果是否存在影响。结果:CBCT诊断牙根纵折的阳性检出率、灵敏度、特异度、准确度分别为为38. 33%、77. 97%、98. 36%、88. 33%。当是否存在根管内容物时,CBCT对牙根纵折诊断的阳性检出率存在差异性(P <0. 05)。结论:CBCT对牙根纵折的临床诊断有一定指导意义,有无根管内容物时会影响其阳性检出率,临床诊疗中需要结合病史、临床体征及特殊检查结果进行综合诊断。Objective：To explore the role of cone-beam computed tomography（CBCT） in clinical diagnosis of verti- cal root fracture （VRF）. Methods ：Totally 120 suspected VRF cases in outpatient clinic were analyzed, and the interpretation results of CBCT were analyzed on the basis of gross cracks, as well as the effect of root canal contents on the interpretation re- sults of CBCT. Results ： The positive detection rate, sensitivity, specificity and accuracy of CBCT in diagnosing VRF were 38.33% ,77.97% ,98.36% and 88.33% ,respectively. When root canal contents were present,the positive detection rate of CBCT for VRF diagnosis was different（P 〈 0. 05 ）. Conclusion：CBCT has certain guiding significance in the clinical diagno- sis of VRF, and the presence or absence of root canal contents will affect its positive detection rate. In clinical diagnosis and treatment,comprehensive diagnosis should be made by combining medical history, clinical signs and special examination re- suits.

关 键 词：牙根纵折 锥形束CT 诊断 

分 类 号：R816.98[医药卫生—放射医学]