鼻翼耳屏线与牙合平面的关系

doi:10.13701/j.cnki.kqyxyj.2020.09.009

口腔医学研究 ›› 2020, Vol. 36 ›› Issue (9): 835-838.DOI: 10.13701/j.cnki.kqyxyj.2020.09.009

鼻翼耳屏线与牙合平面的关系

杨佳迪¹, 李宁¹, 边策², 王旭^1*

1.河北医科大学口腔医学院·口腔医院基础教研室,河北省口腔医学重点实验室河北石家庄 050017;
2.首都医科大学附属北京口腔医院正畸科北京 100050

收稿日期:2020-01-08 出版日期:2020-09-28 发布日期:2020-09-15
通讯作者: *王旭,E-mail: 13722446269@163.com
作者简介:杨佳迪(1994~),女,河北邢台人,医师,硕士,研究方向:磨牙症以及全口义齿修复。
基金资助:
2020年度河北省医学科学研究课题计划(编号:20200127)

Relationship between Ala-tragus Line and Occlusal Plane

YANG Jiadi¹, LI Ning¹, BIAN Ce², WANG Xu^1*

1. Department of Basic Teaching and Research, School of Hospital of Stomatology, Hebei Medical University & Hebei Key laboratory of Stomatology, Shijiazhuang 050017, China;
2. Department of Orthodontics, Beijing Hospital of Stomatological, Capital Medical University, Beijing 100050, China

Received:2020-01-08 Online:2020-09-28 Published:2020-09-15

摘要/Abstract

摘要： 目的: 本研究的目的是比较牙合平面与6种不同的鼻翼耳屏线的关系。方法: 选择125名具有完整自然牙列、安氏Ⅰ类咬合关系的口腔学生(男性36例,女性89例),将牙合平面规置于口内,数码相机拍摄侧面照片后,测量牙合平面和鼻翼中点-耳屏上点(A1-T1)、鼻翼中点-耳屏中点(A1-T2)、鼻翼中点-耳屏下点(A1-T3)、鼻翼下点-耳屏上点(A2-T1)、鼻翼下点-耳屏中点(A2-T2)、鼻翼下点-耳屏下点(A2-T3)之间的夹角。采用SPSS 21.0进行描述性统计、单样本Wilcoxon检验、Kruskal-Wallis H秩和检验,LSD法两两比较,以P<0.05为差异有统计学意义。结果: 牙合平面与6种鼻翼耳屏线之间没有平行性,单样本Wilcoxon检验显示二者夹角与0°之间有统计学差异(P<0.001),但A1-T2与牙合平面的交角最小(2.80°),A1-T1、A1-T2、A2-T3与牙合平面的交角无统计学差异(P>0.05)。结论: 鼻翼中点-耳屏中点、鼻翼中点-耳屏上点、鼻翼下点-耳屏下点可作为定位牙合平面的标志线。

关键词: 鼻翼耳屏线, 全口义齿, 牙合平面

Abstract: Objective: To compare the relationship of the occlusal plane and different Ala-tragal lines. Methods: 125 students (36 males and 89 females) with complete natural dentition and class I occlusal relationship were selected to place the plane gage in their mouths. After taking lateral photos with digital camera, the included angles between the occlusal plane and middle point of ala-upper point of tragus (A1-T1), middle point of ala-middle point of tragus (A1-T2), middle point of ala-lower point of tragus (A1-T3), lower point of ala-upper point of tragus (A2-T1), lower point of ala-middle point of tragus (A2-T2), lower point of ala-lower point of tragus (A2-T3) were measured. Results: There was no parallel between the occlusal plane and six kinds of Ala-tragus lines. There was a statistical difference between the two angles and 0° (P<0.001), but the intersection angle between A1-T2 and the occlusal plane was the smallest (2.80°), and there was no statistical difference between A1-T1, A1-T2, A2-T3, and the occlusal plane (P>0.05). Conclusion: The middle point of the ala-the middle point of the tragus, the middle point of the ala-the upper point of the tragus, and the lower point of the ala-the lower point of the tragus can be used as the marker line of the plane of location.

Key words: Ala-tragus line, complete denture, occlusal plane

杨佳迪, 李宁, 边策, 王旭. 鼻翼耳屏线与牙合平面的关系[J]. 口腔医学研究, 2020, 36(9): 835-838.

YANG Jiadi, LI Ning, BIAN Ce, WANG Xu. Relationship between Ala-tragus Line and Occlusal Plane[J]. Journal of Oral Science Research, 2020, 36(9): 835-838.

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鼻翼耳屏线与牙合平面的关系

Relationship between Ala-tragus Line and Occlusal Plane

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