个别正常（牙合）牙尖交错位咬合接触点的分析研究
发布时间：2019-04-09 11:40
【摘要】：目的： 观察个别正常牙合在牙尖交错位(intercuspal position，ICP)的咬合接触点数量，探讨其一般分布规律，为临床诊断及治疗提供一定的参考。 方法： 从大连医科大学青年大学生以及大连市口腔医院青年医生中，选择咬合属于正常牙合者作为受试者，共80名（男40、女40），平均年龄22岁。应用软质高流动度聚醚印模材(ImpregumTMGarantTML DuoSoftTMpolyether impression material)记录受试者在牙尖交错位的咬合接触点。 结果： 正常牙合牙尖交错位咬合接触点数量平均约77.8个，前牙区21.2个，后牙区56.6个；咬合接触点呈左右对称分布，上颌第一磨牙咬合接触点最多，下颌中切牙咬合接触点最少；前牙区存在广泛的咬合接触；前磨牙咬合接触类型以尖-边缘嵴为主要接触类型；上颌第一磨牙近中舌尖颊斜面处的咬合接触点出现频率最高、所占比例最大。 结论：通过研究个别正常牙合牙尖交错位的咬合接触点，发现咬合接触点的数量及其分布规律具备一定的临床意义，值得医生在临床工作中参考借鉴。
[Abstract]:Aim: to observe the number of occlusal contact points of individual normal occlusion in apical malposition (intercuspal position,ICP) and to explore the general distribution of occlusal contact points in order to provide some reference for clinical diagnosis and treatment. Methods: from the young college students of Dalian Medical University and the young doctors of Dalian Stomatological Hospital, 80 subjects (male 40, female 40) were selected as subjects, the average age was 22 years old. The occlusal contact points of the subjects at the apical interposition were recorded using soft high mobility polyether impression material (ImpregumTMGarantTML DuoSoftTMpolyether impression material). Results: the average number of occlusal contact points in the apical malposition of normal occlusion was about 77.8, 21.2 in anterior and 56.6 in posterior. The occlusal contact point of maxillary first molar was the most and the mandibular middle incisor occlusal contact point was the least, and there was extensive occlusal contact in anterior tooth area, the type of anterior molar occlusal contact was cusp-marginal crest as the main contact type, and the occlusal contact point of maxillary first molar was the most, and the mandibular middle incisor was the least. The occlusal contact point of the maxillary first molar near the buccal obliquity of the tongue tip was the highest and the proportion was the largest. Conclusion: by studying the occlusal contact points of individual normal occlusal apical intersections, it is found that the number and distribution of occlusal contact points have certain clinical significance, which is worthy of reference for doctors in clinical work.
【学位授予单位】：大连医科大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：R783.5
本文编号：2455148
[Abstract]:Aim: to observe the number of occlusal contact points of individual normal occlusion in apical malposition (intercuspal position,ICP) and to explore the general distribution of occlusal contact points in order to provide some reference for clinical diagnosis and treatment. Methods: from the young college students of Dalian Medical University and the young doctors of Dalian Stomatological Hospital, 80 subjects (male 40, female 40) were selected as subjects, the average age was 22 years old. The occlusal contact points of the subjects at the apical interposition were recorded using soft high mobility polyether impression material (ImpregumTMGarantTML DuoSoftTMpolyether impression material). Results: the average number of occlusal contact points in the apical malposition of normal occlusion was about 77.8, 21.2 in anterior and 56.6 in posterior. The occlusal contact point of maxillary first molar was the most and the mandibular middle incisor occlusal contact point was the least, and there was extensive occlusal contact in anterior tooth area, the type of anterior molar occlusal contact was cusp-marginal crest as the main contact type, and the occlusal contact point of maxillary first molar was the most, and the mandibular middle incisor was the least. The occlusal contact point of the maxillary first molar near the buccal obliquity of the tongue tip was the highest and the proportion was the largest. Conclusion: by studying the occlusal contact points of individual normal occlusal apical intersections, it is found that the number and distribution of occlusal contact points have certain clinical significance, which is worthy of reference for doctors in clinical work.
【学位授予单位】：大连医科大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：R783.5
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