下颌第一磨牙根分叉区解剖形态的CBCT研究

doi:10.13701/j.cnki.kqyxyj.2018.07.013

口腔医学研究 ›› 2018, Vol. 34 ›› Issue (7): 738-741.DOI: 10.13701/j.cnki.kqyxyj.2018.07.013

• 口腔数字化影像技术研究 • 上一篇下一篇

下颌第一磨牙根分叉区解剖形态的CBCT研究

王丽霞, 申静^*, 韩磊, 乐鑫, 高静

天津市口腔医院天津 300041

收稿日期:2018-02-09 出版日期:2018-07-28 发布日期:2018-07-20
通讯作者: 申静,E-mail:shenjing611@163.com
作者简介:王丽霞(1982~ ),女,河北人,主治医师,硕士,主要从事牙周病及种植体周围病的研究工作。
基金资助:
天津市口腔医院博硕士重点项目(编号:2017BSZD04)

Cone Beam Computed Tomography Study on Furcation Anatomy of Mandibular First Molars

WANG Li-xia, SHEN Jing^*, HAN Lei, YUE Xin, GAO Jing

Stomatological Hospital of Tianjin, Tianjin 300041, China.

Received:2018-02-09 Online:2018-07-28 Published:2018-07-20

摘要/Abstract

摘要： 目的:利用锥形束CT分析人下颌第一磨牙根分叉区解剖形态,为根分叉病变的诊断、治疗和预后提供理论依据。方法:选取203颗下颌第一磨牙的CBCT 影像学资料进行分析,测量下颌第一磨牙根分叉开口下2 mm的宽度、根柱长度并进行统计分析。结果: 根柱长度舌侧(3.06±0.71) mm大于颊侧(2.48±0.74) mm;根分叉开口下2 mm的宽度颊侧 (1.63±0.55) mm大于舌侧 (1.08±0.46) mm;两组比较均有统计学意义(P<0.05)。不同性别根柱长度、根分叉开口下2 mm的宽度无明显差异。结论: 与颊侧相比,下颌第一磨牙舌侧根分叉开口下2 mm的宽度更窄,根柱更长,且两者与性别无明显关系,以期为根分叉病变的诊断、预防和治疗提供一定的基础理论依据和临床指导。

关键词: 根分叉病变, 下颌第一磨牙, 锥形束CT, 根柱, 根分叉

Abstract: Objective: To measure the furcation anatomy of mandibular first molar with cone beam computed tomography, and to provide theoretical data for the diagnosis, treatment, and prognosis of furcation involvement. Methods: Cone beam computed tomography images of 203 mandibular first molars were collected.The length of root trunk and the width of 2mm under the root furcation opening were recorded and analyzed. Results: The length of the root trunk was (3.06±0.71)mm larger than that of the buccal (2.48±0.74)mm. The width of 2mm under the root furcation opening in the buccal side (1.63±0.55) mm was larger than that in the lingual side (1.08±0.46) mm (P<0.05). There was no significant difference between the length of root trunk and the width of 2mm under the root bifurcation opening in different gender. Conclusion: Compared with the buccal side, the width of 2mm under the root furcation opening in the lingual side of the mandibular first molar was narrower and the root trunk was longer.

Key words: Furcation involvement, Mandibular first molar, Cone beam computed tomography, Root trunk Furcation

王丽霞, 申静, 韩磊, 乐鑫, 高静. 下颌第一磨牙根分叉区解剖形态的CBCT研究[J]. 口腔医学研究, 2018, 34(7): 738-741.

WANG Li-xia, SHEN Jing, HAN Lei, YUE Xin, GAO Jing. Cone Beam Computed Tomography Study on Furcation Anatomy of Mandibular First Molars[J]. Journal of Oral Science Research, 2018, 34(7): 738-741.

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下颌第一磨牙根分叉区解剖形态的CBCT研究

Cone Beam Computed Tomography Study on Furcation Anatomy of Mandibular First Molars

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