| 国人辽宁地区下颌磨牙的活体研究 |
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| 引用本文： | 徐建明,张丽君,阮永江.国人辽宁地区下颌磨牙的活体研究[J].大连大学学报,1991(3). |
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| 作者姓名： | 徐建明 张丽君 阮永江 |
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| 作者单位： | 大连大学解剖教研室，大连大学口腔教研室，大连大学口腔教研室 |
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| 摘 要： | 本研究对238名(男110、女126)年令在18～43周岁,国人辽宁地区青、中年的下颌磨牙1062颗,其中第一磨牙(M_1)476颗,第二磨牙(M_2)476颗,第三磨牙(M_3)110颗进行了观测。测出下颌磨牙的牙尖数,面沟型及牙尖与淘组合型在各类磨牙的分布状志,取得了国人活体的各项数据。在讨论中。从国人活体牙各项数值与国内.外各有关数值进行了比较,得出活体牙与尸牙的异同及人种间的差异,并扼要地进行了解剖学及人类学的探讨。
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| 关 键 词： | 下颌磨牙 牙尖数 面沟型 牙尖与沟组合型 |
Study for the Living Mandible Molars of Chinese in Liaoning Area |
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| Xu Jianming.Study for the Living Mandible Molars of Chinese in Liaoning Area[J].Journal of Dalian University,1991(3). |
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| Authors: | Xu Jianming |
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| Institution: | Department of Anatomy |
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| Abstract: | On this study 1,062 mandible molars of 238 pople were observed,They were young and middle aged from 18-43 and all living in Liaoning area.Among 1,062 molars the first molars (M_1) were 476,the second molars (M_2) 476 and the third molars (M_3) 110 in number. The distribution of the number of cusp,the type of occular sulcus and the combined type of cusp and sulcus among various molars were investigated,and various values for Chinese living teeth were obtained. In the discussion,the various values for Chinese living teeth were compared with those concerned with foreigners and Chinese in other areas.Consequently the differences and similarities between the living teeth and corpese teeth,the differences among the races were revealed.The related anatomy and anthropology have been briefly discussed,as well. |
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| Keywords: | Mandible molar Cusp number Occular sulcus |
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