头灯放大镜在上颌第一恒磨牙近颊第二根管治疗中的应用  

Application of Headlight Loupe Used for the Therapy of the Second Mesiobuccal Canals in the First Maxillary Molars

作　　者：吴玫[1] 张建英[2] 刘宝娟[1] 马艳美[2] 

机构地区：[1]解放军第323医院口腔科,陕西西安710032 [2]解放军第264医院数字口腔中心,山西太原030001

出　　处：《中国医药指南》2013年第4期47-48,共2页Guide of China Medicine

摘　　要：目的探讨提高上颌第一恒磨牙近颊第二根管(MB2)发现率的临床方法。方法临床随即选取需要治疗的上颌第一磨牙120颗。分为两组:第1组66例,用头灯放大镜寻找MB2并记录其发现率;第2组55颗牙,在常规光源下寻找MB2并记录发生率,并与第1组MB2发现率相比较。结果第一组头灯放大镜实验组MB2发现率为83.08%,第二组常规光源对照组MB2发现率38.18%,两组比较P<0.01。结论使用头灯放大镜在寻找上颌第一恒磨牙MB2时明显优于常规光源,与口腔显微镜相比,经济实惠、适合临床推广。Objective To find whether there was any difference between the occurrence of mesiobuccal 2nd canal （MB2） and its detection rate with Headlight loupe. Method 120 extracted maxillary first molars were divided into 2 groups. Group 1 added up to 65,Headlight loupe was used to look for MB2 , and the detection rate of MB2 was calculated. Group 2 added up to 55,being looked for MB2 under White Light, occurrence of MB2 was calculated and compared to the detection rate. Result Detection rate with Headlight loupe was 83.08 %, Detection rate with White light was 38.18%. Statistically significant discrepancy was found between the occurrences and detection rate （= 10.12,P 〈 0.05）. Conclusion Detection rate of MB2 could be greatly improved by the use of Headlight loupe.

关 键 词：头灯放大镜 上颌第一恒磨牙 近颊根第二根管 

分 类 号：R781.05[医药卫生—口腔医学]