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- Conclusion The causes of vertical root fracture in pulpless teeth arc complicated. 结论无髓牙牙根纵裂的病因复杂。
- Objective To investigate the cause of vertical root fracture in pulpless teeth, and advance the measures of prevention. 摘要目的探讨无髓牙牙根纵裂发生的原因并提出相应的预防措施。
- Methods The clinical data of 20 vertical root fracture in pulpless teeth (17 patients) were collected. 方法收集17例共20颗发生牙根纵裂无髓牙的临床诊治资料。
- Vertical root fracture were frequently found in front teeth (4/20) and premolars (5/20) among those with coronal integrity. 牙冠完整者发生牙根纵裂多见于前牙(4/20)和前磨牙(5/20)；
- Methods: The dental, periodontal, and X-ray of the teeth with vertical root fracture were studied in 63 cases of aged patients. 方法:对63例牙根纵裂的患者,通过临床检查、X线检查、进行咬合创伤的分析。
- Objective To study the pathogenic factors of vertical root fractures (VRFs). 目的分析牙根纵裂的致病因素。
- Objective To study the anatomical factors of vertical root fractures(VRFs)on vital pulp of maxillary first molar. 目的分析活髓下颌第一磨牙根纵裂的解剖学病因。
- Application of root apex locator to diagnose vertical root fracture 根尖定位仪应用于牙根纵裂的临床诊断
- Keywords pulpless teeth;vertical root fracture;causes analysis; 无髓牙;牙根纵裂;原因分析;
- Relationship between vertical root fracture and the habits of chewing betel nut 牙根纵裂与嚼槟榔习惯的关系
- Clinical Analysis of 47 Cases with Vertical Root Crown Fracture. 47例冠根纵折的临床分析。
- A case-control study of the relation between masticating hard food and vertical root fracture 咀嚼硬物与牙根纵裂发病关系的研究
- vertical root fracture 牙根纵裂
- vertical root fractures 牙根纵裂
- Objective: To explore the relations between root canal design, post crown type and root fracture after postcrown restoration. 目的:探讨根管口设计和桩冠修复体类型与前牙桩冠修复后根折的发生的关系。
- Root fracture with single fracture line can often healed after simple treatment,while root fracture with mult-fracure lines was often extracted. 临床常见牙齿创伤导致根折,单一折裂线的病人经保守治疗后多能愈合,而伴有多个折裂线的复杂根折病人如果处理不当,常导致失牙。
- Methods of soil auger and pot experiment were used to research vertical root distributions and drought resistance of main planting tree species in the Weibei loess plateau. 采用土钻法和盆栽试验研究了渭北地区主要造林树种的垂直根系分布特征及其抗旱性。
- All teeth had periodontitis and occlusal traumatism.Conclusion Occlusal traumatism was the main causes of vertical root fracture.X-ray examination was helpful to diagnosis.Pre... 结论咬合创伤是牙根纵裂的主要原因,X线检查有助诊断,牙根纵裂缺乏有效的治疗方法,应以预防为主。
- There was significant difference between the two posts in loosening of post(P <0.05),and no significant difference in root fracture resistance(P >0.05). 两种桩-核-冠修复方法在核冠钉松动方面存在显著差异(P<0.;05);在防止牙根折裂方面无显著差异(P<0
- Results: X-ray diagnosis showed translucency of alveolar bone around some molars with vertical root fracture.Decrease of alveolar bone height or wedge shape absorption was found in diseased region. 结果:X线显示牙根纵裂的牙齿,个别根周出现牙槽骨破坏吸收性阴影,病变部位牙槽骨高度降低或呈楔形吸收,根管腔增宽或出现明显的根纵裂片移位,牙齿向病变方向倾斜。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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