丽江地区纳西族与汉族青年第三磨牙萌出及阻生情况调查对比(1)
[摘要] 目的 调查并对比丽江地区纳西族与汉族青年第三磨牙萌出及阻生情况。方法 方便选取2017年6月—2018年2月生长在丽江地区的400名青年的第三磨牙萌出及阻生情况进行调查。 结果 第三磨牙正常生长的情况，汉族338颗牙齿，纳西族357颗牙齿正常。第三磨牙萌出率在纳西族与汉族青年男性、女性之间均差异无统计学意义(P>0.05)；第三磨牙阻生率，汉族59名(29.50%)水平阻生， 纳西族44名(22.00%)水平阻生，差异有统计学意义(P<0.05)；两组人群中18和28之间、38和48之间阻生差异无统计学意义(P>0.05)，但是下颌的组胜率高于上颌(P<0.05)。丽江地区纳西族与漢族青年之间牙位阻生率以及各阻生类型之间差异无统计学意义(P>0.05)。 结论 丽江地区纳西族与汉族青年第三磨牙萌出及阻生特点并不存在明显的差异。
[关键词] 丽江地区；纳西族；汉族；第三磨牙萌出；阻生；调查；对比
[中图分类号] R782.11 [文献标识码] A [文章编号] 1674-0742(2019)01(c)-0087-03
Investigation and Comparison of the Eruption and Resistance of the Third Molar in the Naxi and Han Nationality Youths in Lijiang Area
HONG Min-jie， SHI Qin， YANG Yu-xian， ZHANG Yu，HUANG Yue-su
1.Department of Stomatology， Lijiang People's Hospital， Lijiang， Yunnan Province， 674100 China；2.Operating Room， Yunnan Provincial Stomatological Hospital (Affiliated Stomatological Hospital of Kunming Medical University)， Kunming， Yunan Province， 650031 China
[Abstract] Objective To investigate and compare the eruption and resistance of the third molar in the Naxi and Han youths in Lijiang. Methods The eruption and anti-resistance of the third molars of 400 young people who grew up in Lijiang from June 2017 to February 2018 were convenient selected and investigated. Results The normal growth of the third molar was 338 teeth of the Han nationality and 357 teeth of the Naxi family were normal. There was no statistically significant in the eruption rate of the third molar between the Naxi and Han young men and women (P>0.05)； the third molar impact rate， 59 cases of Han (29.50%) level， and Naxi 44 (22.00%) level， the impact was statistically significant different (P<0.05)； there was no statistically significant between 18 and 28， 38 and 48 in the two groups (P>0.05)， but the group win rate of the mandible was higher than that of the upper jaw (P<0.05). There was no statistically significant in the incidence of tooth position and the type of resistance between the Naxi and Han youths in Lijiang area (P>0.05). Conclusion There is no significant difference in the eruption and resistance characteristics of the third molar in the Naxi and Han youths in Lijiang.
[Key words] Lijiang area； Naxi； Han nationality； Third molars eruption； Impact resistance； Investigation； Comparison
第三磨牙也叫做智齿，由于其萌出的时间比较晚，并且在空间极其狭小的颌骨内生长，因此，极易导致异常萌出、牙体畸形、先天性缺失等退化的特点[1]。在临床上，第三磨牙的异常萌出还会导致患者出现智齿冠周炎、第二磨牙远中邻面龋、食物嵌塞、错牙合畸形、颞颌关节紊乱等并发症。不但如此，第三磨牙的萌出还会受到多个外界因素的影响，如地区、民族、性别、营养、食物、牙齿缺失情况等[2]。为了对丽江地区纳西族与汉族青年第三磨牙萌出及阻生情况进行调查和对比，该研究方便选取400名2017年6月—2018年2月生长在丽江地区的青年作为该次研究对象，对其第三磨牙的生长情况进行详细的调查和研究。报道如下。, 百拇医药(洪敏杰 石芹 杨玉仙 张羽)
[关键词] 丽江地区；纳西族；汉族；第三磨牙萌出；阻生；调查；对比
[中图分类号] R782.11 [文献标识码] A [文章编号] 1674-0742(2019)01(c)-0087-03
Investigation and Comparison of the Eruption and Resistance of the Third Molar in the Naxi and Han Nationality Youths in Lijiang Area
HONG Min-jie， SHI Qin， YANG Yu-xian， ZHANG Yu，HUANG Yue-su
1.Department of Stomatology， Lijiang People's Hospital， Lijiang， Yunnan Province， 674100 China；2.Operating Room， Yunnan Provincial Stomatological Hospital (Affiliated Stomatological Hospital of Kunming Medical University)， Kunming， Yunan Province， 650031 China
[Abstract] Objective To investigate and compare the eruption and resistance of the third molar in the Naxi and Han youths in Lijiang. Methods The eruption and anti-resistance of the third molars of 400 young people who grew up in Lijiang from June 2017 to February 2018 were convenient selected and investigated. Results The normal growth of the third molar was 338 teeth of the Han nationality and 357 teeth of the Naxi family were normal. There was no statistically significant in the eruption rate of the third molar between the Naxi and Han young men and women (P>0.05)； the third molar impact rate， 59 cases of Han (29.50%) level， and Naxi 44 (22.00%) level， the impact was statistically significant different (P<0.05)； there was no statistically significant between 18 and 28， 38 and 48 in the two groups (P>0.05)， but the group win rate of the mandible was higher than that of the upper jaw (P<0.05). There was no statistically significant in the incidence of tooth position and the type of resistance between the Naxi and Han youths in Lijiang area (P>0.05). Conclusion There is no significant difference in the eruption and resistance characteristics of the third molar in the Naxi and Han youths in Lijiang.
[Key words] Lijiang area； Naxi； Han nationality； Third molars eruption； Impact resistance； Investigation； Comparison
第三磨牙也叫做智齿，由于其萌出的时间比较晚，并且在空间极其狭小的颌骨内生长，因此，极易导致异常萌出、牙体畸形、先天性缺失等退化的特点[1]。在临床上，第三磨牙的异常萌出还会导致患者出现智齿冠周炎、第二磨牙远中邻面龋、食物嵌塞、错牙合畸形、颞颌关节紊乱等并发症。不但如此，第三磨牙的萌出还会受到多个外界因素的影响，如地区、民族、性别、营养、食物、牙齿缺失情况等[2]。为了对丽江地区纳西族与汉族青年第三磨牙萌出及阻生情况进行调查和对比，该研究方便选取400名2017年6月—2018年2月生长在丽江地区的青年作为该次研究对象，对其第三磨牙的生长情况进行详细的调查和研究。报道如下。, 百拇医药(洪敏杰 石芹 杨玉仙 张羽)