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山东大学学报(医学版)

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牙根纵裂的临床研究及病因分析

王青,苏林旺
  

  1. (山东大学口腔医学院牙体牙髓科, 济南 250012)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-03-16 发布日期:2009-03-16

Clinical survey and cause analysis of vertical root fracture

WANG Qing, SU Linwang

  

  1. (Department of Endodontics, School of Stomatology, Shandong University, Jinan 250012, China)

  • Received:1900-01-01 Revised:1900-01-01 Online:2009-03-16 Published:2009-03-16

摘要: 目的观察研究牙根纵裂的临床特征,分析其发病原因。方法对未经牙髓治疗的48例(共51颗牙)牙根纵裂患者进行临床研究,观察牙根纵裂患者的年龄、性别、牙位和患根的分布、临床及X线表现。结果牙根纵裂患者的平均年龄52.16岁,男女之比为2.2:1,下颌第一磨牙牙根纵裂的发生最高(54.90%),88.24%的牙根纵裂发生在下颌磨牙近中根和上颌磨牙近中颊根。牙根纵裂可表现为牙髓病、牙周病和咬合疼痛不适类似的症状,X线检查可见根管下、中段管腔异常增宽,并可伴有牙槽骨垂直、水平吸收及根分叉区骨质破坏。结论牙根纵裂的临床表现多样,X线检查是必要的检查措施,对牙根纵裂诊断有重要意义,?力和解剖因素是牙根纵裂的主要原因。

关键词: 牙疾病, 牙根, 病因学

Abstract: To explore clinical features of vertical root fracture (VRF) and analyze the possible causes of VRF. MethodsA total of 51 cases of vertical root fracture in nonendodontically treated teeth in 48 patients were investigated. Age and gender, tooth type and root distribution, as well as clinical manifestations and radiographic findings of vertical root fracture were presented. ResultsThe average age of patients was 52.16 years and the ratio of male to female stood at 2.2:1. The most frequently (54.90%)affected teeth were mandibular first molars. 88.24% of affected roots were mesial roots in the mandibular molars and mesialbuccal roots in the maxillary molars. Clinical manifestations of VRF were similar to pulp disease, periodontal disease, and dull discomfort or pain when biting. Unusual widening of apical and middle parts of the root canals may be accompanied by vertical and horizontal resorption and bone destruction of the furcation area. ConclusionClinical manifestations of VRF are varied. Xray examination is necessary in diagnosis. Anatomy of roots and canals and occlusal force may play main roles in the development of vertical root fracture.

Key words: Tooth diseases, Tooth root, Etiology

中图分类号: 

  • R781.33
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