目的观察牙冠延长术治疗断缘位于龈下的冠根联合折断牙的临床效果。
Objective:To observe the clinical effect of tooth extrusion with progressive methods for anterior teeth with crown-root fracture.
方法：对38颗牙体缺损达龈下的患牙行牙冠延长术，以恢复患牙的生物学宽度。
Methods:On 38 teeth due to various crown damages or vertical fractures in subgingival lesions were performed with surgical crown lengthening in order to achieve biologic width.
目的：了解磁性附着体基牙龈下微生物组成与正常龈下微生物组成比的差异及卫生指导前后基牙龈下微生物数量及组成的改变。
Objective: to study the changes of microflora in subgingival groove of abutment in patients with magnetic attachments after oral hygienic instruction and with normal persons.
目的：超声龈下刮治结合手工刮治，用扫描电镜的方法观察效果。
AIM: To observe the effect of hybrid subgingival scaling (combining ultrasonic scaling with hand scaling) by SEM.
目的：研究不同功率下超声龈下工作尖的不同工作端对牙根面的影响及其工作效率。
Objective: To study the effect on the root surfaces and the work efficacy following ultrasonic subgingival scaling with different output power and different parts of work tip.
牙周病病因学研究逐步深入，凸显出龈下微生物检测的重要性。
With the further investigation on the periodontitis aetiology, the importance of the subgingival microbiological detection becomes more significant.
目的：研究伴放线菌放线杆菌在牙周炎患者和健康人龈下菌斑中的分布。
Objective: To determine the distribution of Actinobacillus actinomycetemcomitans (Aa) in subgingival plaques in the patients with chronic periodontitis(CP).
通过对细菌轮廓荧光强度均值的判断，证实龈下菌斑中存在ROX-126标记的阳性细菌。
The ROX-126-labeled positive cells were found in the subgingival plaque by the mean fluorescence intensity of the cells' profile.
目的研究牙周治疗对龈下菌斑中古细菌定植的影响。
Objective To investigate the effects of periodontal therapy on Archaea colonization in subgingival plaque.
临床上有关乳杆菌DM 9811代谢产物对固定矫治患者龈下菌群的敏感性研究未见报道。
There is no clinical report on sensitivity of metabolite of Lactobacillus DM9811 to subgingival plaque of fixed-orthodontic patients.
其带环放置后，龈下菌斑的微生物组成发生改变。
The microbial composition of subgingival plaque changes after bend is placed.
方法：利用合成的寡核苷酸探针对60例慢性牙周炎患者60患病位点、10例健康人的10个对照位点龈下菌斑中伴放线菌放线杆菌进行检测。
Methods: Samples of subgingival plaque were detected for Aa distribution by oligonucleotide probe from 60 sites of CP patients and 10 healthy sites of healthy people.
目的了解种植体龈下菌群构成变化与种植体周围组织炎的关系。
Objective To investigate the relationship between the peri-implant inflammation and the changes of subgingival microfloral.
经过多年的实践证实龈下刮治是一种有效的牙周非手术治疗方法，早期的龈下刮治主要是用手工刮治器。
After years of practice, it was confirmed that subgingival scaling was an effective non-surgical periodontal therapy. In early, subgingival sealing was practiced with manual sealing.
结论：牙龈切除术与牙冠延长术应用于牙体劈裂达龈下较深部位患牙均能明显改善龈袋深度，而后者的临床疗效优于前者。
Conclusion: Both gingivectomy and prolongation of dental crown could shorten the depths of the gingival pocket. The clinical effect of the latter is better than that of the former.
结论局部应用2 5%甲硝唑牙科用凝胶辅助龈下刮治治疗深牙周袋，可获得较好的临床效果。
Conclusion Combination of topical application of a metronidazole 25% dental gel with subgingival scaling could be more effective in the treatment of deep periodontal pockets.
方法：对52例慢性牙周炎患者的1453颗牙进行龈下刮治及根面平整术，随访3个月。
METHODS: 1453 teeth of 52 patients with chronic periodontitis were given scaling and root-planing procedures.
目的探讨前牙根折至龈下铸造冠桩修复的体会。
ObjectiveTo probe casting veneer peg prosthesis for anterior remnant root.
目的评价派丽奥软膏(2%盐酸米诺环素软膏)辅助龈下超声治疗中、重度牙周炎的临床效果。
Objective To evaluate the clinical effect of Periocline ointment (2% minocycline hydrochloride ointment) as an auxiliary therapy on chronic periodontitis.
目的探讨因外伤或龋病导致的残根残冠缺损面位于龈下3 mm左右时进行树脂核桩加钛合金烤瓷冠修复问题。
Objective to discuss the restoration of defected surface of subgingival residual roots and crowns caused by violence or dental caries with resin post core and titanium alloy ceramic.
目的探讨因外伤或龋病导致的残根残冠缺损面位于龈下3 mm左右时进行树脂核桩加钛合金烤瓷冠修复问题。
Objective to discuss the restoration of defected surface of subgingival residual roots and crowns caused by violence or dental caries with resin post core and titanium alloy ceramic.
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