Methods Streptocoocus mutans and actinomyces in 60 cases of dental root surface caries were studied quantitatively in selective media.
方法用选择性培养基对6 0例根面龋中的细菌进行定量研究。
However, there is no obvious difference between non-repaired and residual dental root groups repaired by traditional glass ionic adhesives.
用传统玻璃离子粘固剂修复根管口呈喇叭形残根与不作修复的对照组之间没有显著性差异。
Objective To practise clinical application of the new technique of anterior wall fenestration of maxillary sinus in removing fractured dental root under direct vision with fiberoptic light.
目的掌握上颌窦前壁开窗借助光导纤维灯直视下取牙断根的临床应用。
Objective to study the root canal system morphology and provide anatomic facts for treatment of dental disease.
目的了解根管的形态结构，为牙疾病治疗提供解剖学参考。
Objective: To explore the use of dental operating microscope with ultrasonic instruments in root canal retreatment.
目的：探讨牙科手术显微镜结合超声工作器械进行根管再治疗的临床应用效果。
Object: To approach the reliability of high-frequency current acting upon the devitalization of dental pulp, the safety and clinical effect for peripheral tissues of root tip.
目的：探讨高频电流对牙髓失活作用的可靠性、对根尖周围组织的安全性及临床疗效。
Objective To summarize the treatment of senile dental caries of root surface.
目的总结老年人根面龋的治疗方法。
Methods the first molar was welded with a molar root movement controller, which extending backward and clinging to the edge of second molar dental cervix.
方法在第一磨牙带环上焊接一控根移动杆，其杆向后延伸紧贴第二磨牙牙冠颈缘上。
The developing bone trabeculae invaded the dental follicle and reached the molar tooth germs, provoking deformities in enamel surfaces. No root formation was observed.
发育中的骨小梁侵入牙囊接触到了牙胚导致釉质发育的障碍。
This air scaler is intended to remove dental plaque, calculus and stain from tooth surface and tooth root by dental professionals only.
本产品是由资质的口腔科医生在口腔科治疗过程中对患者的牙体表面所粘着的牙垢，牙结石，着色去除时所使用的设备。
Objective To investigate the accuracy of dental film on the density of root canal fillings.
目的探讨根尖片评价根管充填密度的准确性。
Teeth after root canal therapy must go through a period of observation, after determining no symptoms, to subsequent dental treatment.
根管治疗后的牙齿必须经过一段时间的观察，确定无症状后，才能进行后续的牙齿重建治疗。
CONCLUSIONS: tissue explant method was superior to tissue explant-collagenase digestion method for the culturing of human dental coronal and root pulp cells.
结论：在对根、冠髓细胞的原代培养中，组织块法优于组织块酶解法。
Methods: the total of 232 root canal in 159 teeth of 135 patients who need root canal retreatment of the permanent molar were treated by using dental operative microscope and ultrasonic technique.
方法：对135例需要恒磨牙根管再治疗患者的159颗恒磨牙(232个根管)用显微超声技术进行再治疗，按牙位及治疗原因分类，比较成功率。
Objective To evaluate the use of dental operating microscope and ultrasonic instruments in treating difficult root canal.
目的评价根管显微镜和超声联合应用技术对疑难根管处理的临床应用效果。
Conclusion: This method which can survive the root-fractured young permanent anterior teeth is practical and effective for dental clinic.
结论：根管内加齿槽骨钛桩内固定即刻修复年轻恒前牙根折，方法简单可行，临床应用效果好。
If teeth tooth decay before boring to the dental pulp cavity, because root canal treatment technology was not developed teeth almost to escape the pull of fate.
以前如果牙齿蛀牙蛀到牙髓腔，由于当时根管治疗的技术并不发达，牙齿几乎难逃拔掉的命运。
Through its special metal porcelain dental materials and dental porcelain powder to help, have been sealed in a similar way dental crown on top, and then play a role in protecting root dentin.
烤瓷牙通过其特殊金属材料和牙瓷粉的帮助，已牙冠似的方式密封于牙齿之上，进而起到保护牙本质牙根的作用。
The nickel-titanium root canal reamer of utility model is applied to cure the dental pulp disease and the periapical disease of the dentistry.
本实用新型的钛镍根管扩大针用于牙科中牙髓病与根尖周病治疗。
With the advent of dental materials and technology, we can replace a broken tooth root with a titanium root analogue, that is, dental implant.
随着物料和技术不断进步，我们已经可以利用钛金属制物质代替已坏死的牙根，这便是义齿种植了。
With the advent of dental materials and technology, we can replace a broken tooth root with a titanium root analogue, that is, dental implant.
随着物料和技术不断进步，我们已经可以利用钛金属制物质代替已坏死的牙根，这便是义齿种植了。
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