中国组织工程研究
中國組織工程研究
중국조직공정연구
Journal of Clinical Rehabilitative Tissue Engineering Research
2014年
29期
4712-4716
,共5页
组织构建%组织工程%锥形束CT%X射线%根尖片%上颌磨牙%牙根折裂%早期根折%回顾性研究%诊断准确性%影像学
組織構建%組織工程%錐形束CT%X射線%根尖片%上頜磨牙%牙根摺裂%早期根摺%迴顧性研究%診斷準確性%影像學
조직구건%조직공정%추형속CT%X사선%근첨편%상합마아%아근절렬%조기근절%회고성연구%진단준학성%영상학
root fracture%cone beam CT%periapical film%maxil ary molars%retrospective study
背景：牙根折裂因发生部位隐蔽，其诊断是临床难点之一。近期有系统回顾研究显示诊断牙根折裂影像方法的临床准确性尚不统一。
<br> 目的：回顾性对比研究传统根尖片与锥形束CT在上颌磨牙早期根折诊断中的准确性。
<br> 方法：对38例患者40颗临床检查疑为早期根折的上颌磨牙X射线根尖片与锥形束CT的检查结果分别进行分析，并作出诊断。
<br> 结果与结论：在40颗可疑早期根折的上颌磨牙中，根尖片能明确诊断的有19颗，且根折部分均为上颌磨牙的近中颊根。而锥形束CT检查结果显示30颗患牙根折，其中23颗根折发生在近中颊根，7颗发生在腭根。另外一颗未发现根折影像的患牙，经6个月保守治疗无效后拔除，证实为腭根折断。结果证实，锥形束 CT在诊断上颌磨牙早期根折尤其是腭根的根折方面明显优于传统根尖X射线片。
揹景：牙根摺裂因髮生部位隱蔽，其診斷是臨床難點之一。近期有繫統迴顧研究顯示診斷牙根摺裂影像方法的臨床準確性尚不統一。
<br> 目的：迴顧性對比研究傳統根尖片與錐形束CT在上頜磨牙早期根摺診斷中的準確性。
<br> 方法：對38例患者40顆臨床檢查疑為早期根摺的上頜磨牙X射線根尖片與錐形束CT的檢查結果分彆進行分析，併作齣診斷。
<br> 結果與結論：在40顆可疑早期根摺的上頜磨牙中，根尖片能明確診斷的有19顆，且根摺部分均為上頜磨牙的近中頰根。而錐形束CT檢查結果顯示30顆患牙根摺，其中23顆根摺髮生在近中頰根，7顆髮生在腭根。另外一顆未髮現根摺影像的患牙，經6箇月保守治療無效後拔除，證實為腭根摺斷。結果證實，錐形束 CT在診斷上頜磨牙早期根摺尤其是腭根的根摺方麵明顯優于傳統根尖X射線片。
배경：아근절렬인발생부위은폐，기진단시림상난점지일。근기유계통회고연구현시진단아근절렬영상방법적림상준학성상불통일。
<br> 목적：회고성대비연구전통근첨편여추형속CT재상합마아조기근절진단중적준학성。
<br> 방법：대38례환자40과림상검사의위조기근절적상합마아X사선근첨편여추형속CT적검사결과분별진행분석，병작출진단。
<br> 결과여결론：재40과가의조기근절적상합마아중，근첨편능명학진단적유19과，차근절부분균위상합마아적근중협근。이추형속CT검사결과현시30과환아근절，기중23과근절발생재근중협근，7과발생재악근。령외일과미발현근절영상적환아，경6개월보수치료무효후발제，증실위악근절단。결과증실，추형속 CT재진단상합마아조기근절우기시악근적근절방면명현우우전통근첨X사선편。
BACKGROUND:Detection of root fracture is difficult since the fracture line is not apparent. A recent systematic review concluded that there was a lack of evidence-based data regarding the diagnostic accuracy of conventional radiographic signs for root fracture.
<br> OBJECTIVE:To compare the diagnosis of maxil ary molars with early root fracture by periapical film and cone-beam CT retrospectively.
<br> METHODS:Forty teeth diagnosed as early root fracture of maxil ary molars from 38 patients were included. Results of periapical film and cone-beam CT were compared.
<br> RESULTS AND CONCLUSION:Among the 40 suspected teeth, 19 teeth were diagnosed as early root fracture by periapical film. The fracture line was located in the mesiobuccal root of maxil ary molars. However, 30 teeth were diagnosed as early root fracture by cone-beam CT. Among them, 23 teeth had fracture lines in mesiobuccal root and 7 teeth had fracture line in palatal root. One tooth could not be found any fracture sign in cone-beam CT. After 6 months of conservative treatment, this tooth was extracted for palatal root fracture. Compared with periapical film, cone-beam CT is better in early root fracture diagnosis, especial y for the teeth with fracture line in palatal root.
