下颌第三磨牙萌出状态与舌侧骨板厚度的相关性分析

doi:10.19439/j.sjos.2020.02.015

上海口腔医学 ›› 2020, Vol. 29 ›› Issue (2): 187-191.doi: 10.19439/j.sjos.2020.02.015

下颌第三磨牙萌出状态与舌侧骨板厚度的相关性分析

黄成¹, 周淳¹, 徐珉华¹, 邹德荣²

1.同济大学附属上海市第四人民医院口腔科,上海 200081;
2.上海交通大学附属第六人民医院口腔科,上海 200233

收稿日期:2019-03-27 修回日期:2019-06-13 出版日期:2020-04-25 发布日期:2020-04-30
通讯作者: 邹德荣,E-mail:derongzou@qq.com
作者简介:黄成(1990-),男,硕士,主治医师,E-mail:huangcheng@alumni.tongji.edu.cn
基金资助:
虹口区卫生和计划生育委员会医学科研课题(虹卫1803-02);虹口区“临床医学优秀青年人才”培养计划(hkyg2018-10)

Relationship between eruption status of mandibular third molars and thickness of the lingual bone

HUANG Cheng¹, ZHOU Chun¹, XU Min-hua¹, ZOU De-rong²

1.Department of Stomatology, Shanghai Fourth People's Hospital Affiliated to Tongji University School of Medicine. Shanghai 200081;
2.Department of Stomatology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital. Shanghai 200233, China

Received:2019-03-27 Revised:2019-06-13 Online:2020-04-25 Published:2020-04-30

摘要/Abstract

摘要： 目的分析下颌第三磨牙不同萌出状态与舌侧骨板厚度的相关性。方法选取2016年1月—2018年12月在同济大学附属上海市第四人民医院接受下颌第三磨牙拔除术的患者187例,收集术前拔牙区锥形术CT(CBCT)影像。利用GALIEOS Viewer软件,测量下颌第三磨牙牙根中点和根尖区的舌侧骨板厚度,分析第三磨牙萌出状态与舌侧骨板厚度的相关性。采用 SPSS 22.0 软件包对数据进行Wilcoxon检验、单因素和多因素Logistic回归分析。结果第三磨牙牙根中点区舌侧骨板的平均厚度小于根尖区(P<0.01)。牙根中点区骨板的厚度与第三磨牙的近远中向角度有关,近中阻生和水平阻生的第三磨牙,舌侧骨板较薄(P<0.01)。根尖区骨板的厚度与第三磨牙的阻生深度有关,中位和低位阻生的第三磨牙,舌侧骨板较薄(P<0.05)。结论下颌第三磨牙舌侧骨板厚度与第三磨牙的萌出状态有关。近中、水平阻生和中位、低位阻生的第三磨牙,舌侧骨板较薄。拔牙时应避免舌侧骨板发生折裂。

关键词: 第三磨牙, 萌出状态, 舌侧骨板, 锥形束CT

Abstract: PURPOSE: To estimate the relationship between the eruption status of the mandibular third molars and the thickness of the lingual bone. METHODS: Cone-beam CT (CBCT) data of 187 patients who underwent mandibular third molar extraction from Jan 2016 to Dec 2018 were selected. Lingual bone thickness at the levels of mid-root and root-apex of the third molars were measured using GALIEOS Viewer software, and the relationship between the eruption status of the mandibular third molars and the thickness of the lingual bone was estimated. SPSS 22.0 software package was used for Wilcoxon test, univariate and multivariate logistic regression analysis. RESULTS: The mean thickness of the lingual bone at the mid-root of the third molars was significantly less than that at the root apex (P<0.01). There was a significant correlation between the thickness of the lingual bone at the mid root and the mesiodistal angulations of the third molars. The thickness of the lingual bone at the mid root of mesioangularly and horizontally impacted third molars were significantly thinner (P<0.01). There was a significant correlation between the thickness of the lingual bone at the root apex and the impaction depth of the third molars. The thickness of the lingual bone at the root apex of medium and low positioned third molars were significantly thinner (P<0.05). CONCLUSIONS: The thickness of the lingual bone is associated with the eruption status of the mandibular third molars. Mesially angulated and lower positioned third molars are considered as the risk factors for the thinner lingual bone, so that lingual plate fracture should be prevented during tooth extraction.

Key words: Third molar, Eruption status, Lingual bone, Cone-beam CT

中图分类号:

R782.1

黄成, 周淳, 徐珉华, 邹德荣. 下颌第三磨牙萌出状态与舌侧骨板厚度的相关性分析[J]. 上海口腔医学, 2020, 29(2): 187-191.

HUANG Cheng, ZHOU Chun, XU Min-hua, ZOU De-rong. Relationship between eruption status of mandibular third molars and thickness of the lingual bone[J]. Shanghai Journal of Stomatology, 2020, 29(2): 187-191.

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下颌第三磨牙萌出状态与舌侧骨板厚度的相关性分析

Relationship between eruption status of mandibular third molars and thickness of the lingual bone

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