不同骨面型下颌颊棚区骨量的特征分析

doi:10.13701/j.cnki.kqyxyj.2022.04.014

口腔医学研究 ›› 2022, Vol. 38 ›› Issue (4): 362-366.DOI: 10.13701/j.cnki.kqyxyj.2022.04.014

不同骨面型下颌颊棚区骨量的特征分析

吴瑶, 徐依山, 李真真, 司超, 刘佳, 曹宇, 张惠超, 杨陆一^*

吉林大学口腔医院正畸科吉林长春 130021

收稿日期:2021-10-09 出版日期:2022-04-28 发布日期:2022-04-22
通讯作者: *杨陆一,E-mail: lyyang@jlu.edu.cn
作者简介:吴瑶(1994~ ),女,内蒙古呼伦贝尔人,硕士在读,主要从事口腔正畸学的研究工作。
基金资助:
吉林省卫生与健康技术创新项目(编号:2020J050)

Characteristics Analysis of Bone Quantity of Mandibular Buccal Shelf with Different Skeletal Pattern

WU Yao, XU Yishan, LI Zhenzhen, SI Chao, LIU Jia, CAO Yu, ZHANG Huichao, YANG Luyi^*

Department of Orthodontics, Stomatology Hospital of Jilin University, Changchun 130021, China

Received:2021-10-09 Online:2022-04-28 Published:2022-04-22

摘要/Abstract

摘要： 目的: 通过锥形束计算机成像技术(Cone-beam computed tomography, CBCT)对不同骨面型下颌颊棚区骨量进行分析,初步探究影响颊棚区骨量的因素,为临床中安全植入微螺钉提供指导。方法: 从患者影像资料库中选取符合纳入标准的正畸患者资料120例,根据矢状骨面型分为骨性Ⅰ类组,骨性Ⅱ类组,骨性Ⅲ类组;根据垂直骨面型分为高角组,均角组,低角组。测量颊棚区磨牙近远中根平面牙槽嵴顶下3 mm、6 mm、9 mm骨厚度与骨皮质厚度,将数据进行统计学分析。结果: (1)颊棚区骨量由近中向远中逐渐增大,由牙槽嵴顶向根尖方向逐渐增大(P＜0.05);(2)不同矢状骨面型患者颊棚区骨厚度存在差异(P＜0.05);(3)不同垂直骨面型患者颊棚区骨厚度存在差异(P＜0.05);(4)颊棚区骨厚度与ANB角呈正相关,与下颌平面角呈负相关(P＜0.05)。结论: 不同骨面型下颌颊棚区骨量存在差异,颊棚区骨量受矢状骨面型和垂直骨面型等因素影响,在植入微螺钉前应拍摄CBCT评估颊棚区骨量。

关键词: 下颌颊棚区, 骨量, 矢状骨面型, 垂直骨面型, CBCT

Abstract: Objective: To analyze the bone quantity of mandibular buccal shelf with different skeletal patterns, and to explore its influencing factors. Methods: A total of 120 orthodontic patients were selected from the patient image database, and they were divided into skeletal class Ⅰ group, skeletal class Ⅱ group, and skeletal class Ⅲ group according to the sagittal skeletal patterns; and divided into hyperdivergent group, normodivergent group, and hypodivergent group according to vertical skeletal patterns. Bone thickness and cortical bone thickness of 3mm, 6mm and 9mm below the alveolar crest in the mesial and distal root plane of molars in the buccal shelf area were measured and analyzed. Results: (1) The bone quantity of buccal shelf area gradually increased from meso-middle to distal, and from alveolar crest to apical direction (P<0.05). (2) There were differences in bone thickness of buccal shelf area between different sagittal skeletal patterns (P<0.05). (3) There were differences in bone thickness of buccal shelf area between different vertical skeletal patterns (P<0.05). (4) Bone thickness of buccal shelf area was positively correlated with ANB angle, and negatively correlated with mandibular plane angle (P<0.05). Conclusion: There are differences in the bone quantity of mandibular buccal shelf in different skeletal patterns, and the bone quantity of mandibular buccal shelf is affected by sagittal and vertical skeletal patterns, etc. CBCT should be taken to evaluate the bone quantity of mandibular buccal shelf before micro-screw implantation.

Key words: mandibular buccal shelf, bone quantity, sagittal skeletal patterns, vertical skeletal patterns, CBCT

吴瑶, 徐依山, 李真真, 司超, 刘佳, 曹宇, 张惠超, 杨陆一. 不同骨面型下颌颊棚区骨量的特征分析[J]. 口腔医学研究, 2022, 38(4): 362-366.

WU Yao, XU Yishan, LI Zhenzhen, SI Chao, LIU Jia, CAO Yu, ZHANG Huichao, YANG Luyi. Characteristics Analysis of Bone Quantity of Mandibular Buccal Shelf with Different Skeletal Pattern[J]. Journal of Oral Science Research, 2022, 38(4): 362-366.

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不同骨面型下颌颊棚区骨量的特征分析

Characteristics Analysis of Bone Quantity of Mandibular Buccal Shelf with Different Skeletal Pattern

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