| 恒前磨牙牙根形态及侧枝根管研究 |
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| 引用本文： | 顾美君,林朵英,刘焕玲,曹裕杰. 恒前磨牙牙根形态及侧枝根管研究[J]. 福建医科大学学报, 1992, 0(2) |
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| 作者姓名： | 顾美君 林朵英 刘焕玲 曹裕杰 |
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| 作者单位： | 福建医学院附属第一医院口腔内科，福建医学院附属第一医院口腔内科，福建医学院附属第一医院口腔内科，福建医学院附属第一医院口腔内科 |
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| 摘 要： | 用双重墨汁渗透牙髓腔根管,脱钙透明法观察前磨牙拔牙标本180颗。结果表明根长平均值介于国内与国外报告值之间。4组牙弯根率平均为34.08％,侧枝根管占57.78％,上颌前磨牙>下颌前磨牙。钙化闭塞根管占18.64％,上颌第一前磨牙>第二前磨牙。
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| 关 键 词： | 前磨牙 牙根 侧枝根管 双重墨汁渗透 |
Morphology of Roots and Lateral Root Canals in Premolar |
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| Gu Meijun,Lin Duoying,Liu Huanlin. Morphology of Roots and Lateral Root Canals in Premolar[J]. Journal of Fujian Medical University, 1992, 0(2) |
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| Authors: | Gu Meijun Lin Duoying Liu Huanlin |
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| Affiliation: | Gu Meijun,Lin Duoying,Liu Huanlin,Department of Oral Medicine,First Affiliated Hospital Fujian Medical College,Fuzhou |
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| Abstract: | One hundred and eighty extracted premolars were observed with pulp cavity and root canal permeated with Chinese ink and premolars decalcified and transparented. Results showed that the aver- age value of root length was between those at home and abroad. Four groups of curved roots were 34. 08% on the average, lateral roots canal amounted to 57. 8%, and the upper premolars were more than the lower. The rate of calcified obliteration occupied 18. 6%, and the first-premolars were more than the second. |
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| Keywords: | premolar root of tooth lateral root canal double Chinese ink permeated |
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