下颌前牙唇侧骨壁厚度及倾斜角度对即刻种植术前设计的影响

doi:10.19438/j.cjoms.2019.03.008

中国口腔颌面外科杂志 ›› 2019, Vol. 17 ›› Issue (3): 230-234.doi: 10.19438/j.cjoms.2019.03.008

下颌前牙唇侧骨壁厚度及倾斜角度对即刻种植术前设计的影响

李敬华^{1, 2}, 姜文静¹, 王艳辉¹, 李晓静¹, 柏娜¹

1.青岛大学附属医院口腔科,山东青岛 266000;
2.青岛大学口腔医学院,山东青岛 266003

收稿日期:2018-11-30 修回日期:2019-03-18 出版日期:2019-05-20 发布日期:2019-06-21
通讯作者: 王艳辉 ,E-mail：qdwyh06@163.com
作者简介:李敬华(1991-),女,医师,硕士,E-mail：375376079@qq.com
基金资助:
国家自然科学基金(81500882)

The effect of thickness of labial bone and angulation of mandibular anterior teeth on preoperative design of immediate dental implants

LI Jing-hua^{1, 2}, JIANG Wen-jing¹, WANG Yan-hui¹, LI Xiao-jing¹, BAI Na¹

1.Department of Stomatology, Affiliated Hospital of Qingdao University. Qingdao 266000;
2. College of Stomatology, Qingdao University. Qingdao 266003, Shandong Province, China

Received:2018-11-30 Revised:2019-03-18 Online:2019-05-20 Published:2019-06-21

摘要/Abstract

摘要： 目的: 利用锥形束CT（cone-beam CT,CBCT）对下颌前牙唇侧骨壁厚度及倾斜角度进行测量分析,为下颌前牙区的即刻种植术前设计提供参考依据。方法: 选取青岛大学附属医院口腔科135例（男67例,女68例）下颌恒牙列完整的CBCT资料,分别测量牙槽嵴顶处（P1）、牙根中点处（P2）、根尖处（P3）3个位点的唇侧骨壁厚度、下前牙长轴与牙槽骨长轴的角度。采用SPSS 23.0软件包对数据进行统计学分析。结果: 下颌中切牙、侧切牙、尖牙唇侧牙槽嵴顶处骨板厚度分别为（0.65±0.24）mm、（0.66±0.28）mm、（0.57±0.29）mm,根中处骨板厚度分别为（0.58±0.35）mm、（0.47±0.23）mm、（0.58±0.30）mm,根尖处骨板厚度分别为（3.45±1.28）mm、（3.87±1.25）mm、（4.60±1.32）mm;下颌中切牙、侧切牙、尖牙牙体长轴与牙槽骨长轴角度分别为5.43°±2.30°、7.22°±3.12°、6.28°±2.65°;相同牙位左右侧之间、不同性别之间各测量值之间无显著差异。结论: 下颌前牙唇侧骨壁厚度菲薄,下颌前牙倾斜角度较小,可为下颌前牙区的即刻种植术前设计的制定提供参考依据。

关键词: 下颌前牙, 锥形束CT, 牙槽骨, 即刻种植

Abstract: PURPOSE: This study aimed to measure the thickness of labial bone and the angulation of mandibular anterior teeth using cone-beam CT (CBCT) for preoperative design of immediate dental implants. METHODS: CBCT images from 135 patients (67 males, 68 females) with complete mandibular permanent teeth were selected from Affiliated Hospital of Qingdao University. The thickness of labial bone at alveolar bone crest (P1), the middle point of root (P2), the apex of root (P3), and the angle between the long axis of lower anterior teeth and the alveolar bone were measured. SPSS 23.0 software package was used for statistical analysis. RESULTS: The average thickness of labial bone at alveolar bone crest of mandibular central incisor, lateral incisor and canine was(0.65±0.24)mm, (0.66±0.28)mm, (0.57±0.29)mm, respectively; the average thickness of labial bone at the middle point of root of mandibular central incisor, lateral incisor and canine was(0.58±0.35)mm, (0.47±0.23)mm, (0.58 ±0.30)mm, respectively; and the average thickness of labial bone at the apex of root of mandibular central incisor, lateral incisor and canine was (3.45±1.28)mm, (3.87±1.25)mm, (4.60±1.32)mm, respectively. The mean angles of the long axis of mandibular central incisor, lateral incisor, canine and alveolar bone were 5.43°±2.30°, 7.22°±3.12°, 6.28°±2.65°, respectively. There was no significant difference in individual measurements between both sides and genders. CONCLUSIONS: The thickness of the labial bone of the mandibular anterior teeth is thin, the angle of mandibular anterior tooth inclination is small, which provides a reference basis for immediate dental implant treatment plan in the mandibular anterior teeth.

Key words: Mandibular anterior tooth, Cone-beam CT, Alveolar bone, Immediate dental implant

中图分类号:

R782.1

李敬华, 姜文静, 王艳辉, 李晓静, 柏娜. 下颌前牙唇侧骨壁厚度及倾斜角度对即刻种植术前设计的影响[J]. 中国口腔颌面外科杂志, 2019, 17(3): 230-234.

LI Jing-hua, JIANG Wen-jing, WANG Yan-hui, LI Xiao-jing, BAI Na. The effect of thickness of labial bone and angulation of mandibular anterior teeth on preoperative design of immediate dental implants[J]. China J Oral Maxillofac Surg, 2019, 17(3): 230-234.

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下颌前牙唇侧骨壁厚度及倾斜角度对即刻种植术前设计的影响

The effect of thickness of labial bone and angulation of mandibular anterior teeth on preoperative design of immediate dental implants

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