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dental root cyst [医] 牙根囊肿
Objective: To analyze the relation ship between Streptococcus mutans, Actinomyces and dental root surface caries. 目的：分析变形链球菌和放线菌与根面龋的关系。
Mehl A,Folwaczny M,Haffner C,Hickel R.Bactericidal effects of 2.94 microns Er:YAG-laser radiation in dental root canals[J].J Endod,1999 Jul.,25(7):490-3. 徐春蓉;甘伟国;张民众等.;脉冲YAG激光对小儿耳鼻咽喉常见病治疗效果及其作用机理的探讨[J]
What reason is when coming up against dental root ministry every time, feeling the tooth is very acerbity? How should treat? 每次碰到牙齿根部时都感到牙齿很酸是什么原因?应该怎么治疗?
CONCLUSIONS: DPSCs may exist in both dental root and coronal pulp, and the density of DPSCs in the root pulp may be higher than the coronal pulp. 结论:牙稳干细胞可能存在于全部牙髓之中,在根髓中比冠髓中具有更高的密度。
Figure1 The performance of the X-ray is the destruction of the left mandible bone, and shows no dental root resorption, no bone line or periosteal reaction. 图1，患者术前曲面断层的表现，可见左下颌骨部分骨质破环，未见明显骨白线和牙根吸收、骨膜反应。
In addition, the rate of dental root fistula resolution was 34.8% in ITG and 15.4% in DTG (P<0.05), and that of swelling incidence was 5.6% in ITG and 6.8% in DTG (P>0.05), respectively. 肿胀发生率一次程为5.;6%25;多次程为6
Methods:Primary dental root canal was simulated with silica gel tubes, one end sealed and the other end open. The tubes were filled Zinc-Oxide-Eugenol(ZOE), Ca(OH) 2 and iodoform respectively with sterile conditions. 方法 :以一端封闭 ,另一端开放的硅胶管模拟乳牙根管 ,无菌条件下分别充填氧化锌丁香油糊剂 ,氢氧化钙糊剂和碘仿糊剂。
When a traditional method is used to repair residual dental root with horn-shaped orifice, this kind of dental root often has to be extracted since the success rate in clinic is very low. 根管口呈喇叭形的残根用传统桩核修复时,常由于剪力集中在颈部和根尖,使得根管口薄壁不能承受较大的压力,在临床上因修复成功率较低,只能将牙根拔除。
Conclusion:MRI,Myelogram play a very important role in the diagnosis of sacral nerve root cysts. 结论：脊髓造影和MRI对本病诊断和鉴别诊断具有重要的临床价值；
Dental root canal filling pluggers 牙科用根管充填器
Dental root canal finger pluggers 牙科用根管指状充填器
She had an operation to remove a cyst. 她做了囊肿切除手术。
Materials andmethods:The imaging features of 68 cases of sacral nerve root cysts were studied and reviewed retrospectively, MRI was performed in 35cases, CT in 16 cases, myelograph in 29 cases and X-ray films in 68 ceases. 材料和方法：对68例骶神经根囊肿的MRI（35例）、CT（16例）、X线脊髓造影（29例）和X线平片（68例）等影像学特征进行回顾性分析。
Materials and Methods: Under the high-resolution CT-guidance, The cystic fluid was aspirated and fibrin glue (FG) therapy were performed in all the 9 patients with sacral nerve root cysts. 材料与方法：对9例骶神经根囊肿患者，在高分辨力CT引导下定位，行腰穿针经骶孔刺入神经根囊肿内，抽尽囊肿内液体。
Dental prosthetics involving a bridge or bridges. 用齿桥补牙用一个或多个齿桥进行牙齿修复
I had undergone a major dental operation. 我经受了一次牙科大手术。
It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
STUDY OF THE DESTRUCTION OF ORGANIC COMPONENTS OF DENTAL ROOT 人牙根龋发生中有机质破坏的酶学研究
The gardener tore up the plant, root and all. 园丁把园中的花草树木连根全挖了出来。