髓管

The examination of many infected roots canal and LPS of oral anaerobe in apical cyst shows that LPS is closely related with the occurrence and clinic symptoms of endodontical disease and periapical disease.

由于感染根管、尖周囊肿内的厌氧菌LPS的检出，表明LPS与牙髓病、尖周病的发病和临床症状密切相关。

Root canal therapy is the basic and most optimal curing method of pulp diseases and apical diseases.

根管治疗术是牙髓病和根尖周病的基本治疗方法和最佳选择。

Objective To observe Calcium Hydr Oxide Paste and Formo Cresol on the disinfection effects of infected root canals.

根管治疗是目前国际公认的治疗牙髓病和根尖周病的首选方法。

AIM:Difficulty in treatment of root canal has been increased significantly due to the complex of root canal and popularity of root canal therapy.

根管治疗术是牙髓坏死、根尖周病的最有效的治疗方法[1]。

For post core crown, the core materials with high elastic modules are commendated, and if composite resin post core is adopted, it should also have higher elastic modules.

对于行根管治疗术后的无髓牙，进行核桩冠修复时，应采用高弹性模量的桩核材料；如果使用复合树脂核，也应采用高弹性模量的复合树脂。

In immature permanent teeth, devitalization and root canal treatment are not advisable until full apex formation and closure have occurred.

在未成熟恒牙，根尖形成和闭合之前，不宜行失活及根管治疗术，而应行去髓术并氢氧化钙安抚。

Clinical analysis of 75 cases fractured endodontic instruments in root canal treatment.

根管治疗是治疗各种不可复性牙髓炎及根尖周炎的最可靠的有效方法。

Root canasl therapy ; Dental pulp cavity ; Root canal obturation

根管疗法；牙髓腔；根管充填

Compared with the diameter and the density of tubular opening, the mean percentage tubular opening area reflects the feature of the pulp cavity wall more comprehensively.

牙本质小管口的相对面积较单纯的牙本质小管口的直径和密度更能全面地反映不同部位髓腔壁的特征。

Methods Tooth marrow 3% oxygens water of 292 deads with bad inflammation clearance, bad deads flushes to add the way to pass,160 among those exampleses use the Ca2 root-canal disinfect to cure the set,132 AN is root-canal to disinfect for the matched control.

292例慢性根尖周炎清除坏死、坏疽的牙髓3%双氧水冲洗加窦道通过，其中160例用Ca2根管消毒治疗组，132例甲酚根管消毒为对照组。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。