牙根管

Objective To determine the influence of the microbial flora isolated from failed endodontic tooth to dogs' apical tissue.

目的 观察根管治疗失败病例根管内分离的主要微生物对狗牙根尖周组织的影响。

To investigate the clinical effect of Root ZX electronic apex locator in measuring posterior teeth root canal working length.

探讨RootZX根管长度电测仪测量后牙根管工作长度的临床效果。

Dealing with whether to keep or to rcmove activity tooth tissue valve of upper one third of rout diastema can be divided into experiment group and control group. Experiment group: keeping activity tooth tissue valve and restore it as told above. Control group: extracting activity tooth tissue valve. And then treat it in a routine way as root-canal therapy, restoration with baked-porcelain crown and metal crown.

对牙根上1/3纵裂的活动牙组织瓣的去、留分实验组和对照组，实验组：保留活动牙组织瓣，按上述方法修复；对照组：拔除活动牙组织瓣，常规根管治疗，桩钉固位，烤瓷冠或金属冠修复。

This paper reports the case of a maxillary first molar that presented two root canals in the Mesiobuccal root.

本论文为在职专班研究生以案例报告，叙述上腭第一恒磨牙近中颊侧牙根，发现两个根管的案例。

CH was used in intracanal medicament and root canal filling in CH group and compared with camphorated paramon-chlorophenol,formacresol,iodine-potassium iodine group.

结果 CMCP、FC、IPI、CH组根管治疗期间的急症发生率差异非常明显，疼痛指数亦以CH组最低；1年后牙根吸收情况和 2年失牙率、牙再植成功率CH组与其它组有非常显著差异。

Starting at the root apex, the transverse section was stained with methylene blue dye after 1-mm root was resected, and viewed with a surgical operating microscope. The number of canals as well as the presence and type of canal isthmuses were recorded.

自根尖开始，片切去除1mm牙根后，用美蓝染色根切面，在显微镜下观察并记录各横截面的根管数和峡部分布情况。

PURPOSE: To investigate the root and root canal anatomical features of maxillary first premolars in 422 teeth.

目的：了解上颌第一前磨牙的牙根和根管形态，为临床治疗提供解剖学依据。

Objective To investigate the correlation between the extent of cutting of the root canal wall and the root fracture strength and the stress distribution.

目的探讨根管壁切削程度与牙根强度的关系及应力分布的变化规律。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。