基于锥形束CT的无牙颌上颌骨倾斜种植设计测量分析

doi:10.19439/j.sjos.2019.03.017

摘要/Abstract

摘要： 目的研究上颌骨后牙区牙槽嵴高度以及牙弓曲线上上颌窦骨壁之间的距离,探讨其对无牙颌种植手术及上颌窦提升手术的指导意义。方法选取105例患者的锥形束CT（CBCT）数据,分别测量其后牙区牙槽嵴高度以及前牙区牙槽嵴顶以上10、12 mm处牙弓曲线水平面上的最大骨内距离。筛选出磨牙区牙槽嵴高度≤10 mm的49例患者,统计其上颌窦骨壁之间的距离,并推算上颌窦骨壁与水平面之间的夹角。采用SPSS 22.0软件包对数据进行统计学分析。结果牙槽嵴高度的平均值依次为第一前磨牙>第二前磨牙>第二磨牙>第一磨牙。105例患者的牙槽嵴顶以上10、12 mm水平距离平均值分别为（82.40±27.56）和（70.54±29.70）mm,49例患者的测量值分别是（67.85±28.53）和（52.75±24.90）mm。由此推算上颌窦骨壁与水平面夹角平均值为（23.55±39.13）°。男女不同性别之间各项数据均无统计学差异,但不同组别之间以及同一组别不同水平面上的数据均有统计学差异。结论通过分析CBCT测量数据,有助于临床上制定种植手术计划,开展上颌窦提升术及无牙颌倾斜种植体植入手术。

关键词: 上颌骨测量, 锥形束CT, 上颌窦提升术, 倾斜种植

Abstract: PURPOSE: To study the height of alveolar ridge and the distance between the wall of maxillary sinus on the curve of the dental arch, and to explore the guiding significance for maxillary sinus surgery and edentulous jaw implant surgery. Methods: Cone-beam CT(CBCT) data of 105 objects were selected to measure the height of alveolar ridge and the maximum bone internal distance between the wall of maxillary sinus 10 mm and 12 mm above the alveolar crest horizontally on the curve of the dental arch. Forty-nine objects with alveolar ridge height on the molar area less than or equal to 10 mm were included for further investigation. The distance between the maxillary sinus wall, and the angle between the maxillary sinus wall on the horizontal plane were measured and calculated. SPSS 22.0 software package was used for statistical analysis of the data. Results: The mean value of the alveolar ridge height in the posterior teeth area was first premolar > second premolars > second molars > first molars. The mean value of the horizontal distance between the wall of sinus 10 mm and 12 mm above the alveolar crest horizontally was (82.40±27.56) mm and (70.54±29.70) mm in 105 objects, while (67.85±28.53) mm and (52.75±24.90) mm in 49 included objects, respectively. The mean value of the angle between the maxillary sinus wall on the horizontal plane was (23.55±39.13)°. There was no significant difference between males and females. However, the horizontal distance had statistically significant differences between different groups and in different horizontal levels of the same group. Conclusions: CBCT is helpful to establish implant surgical plan, and carry out maxillary sinus lift and edentulous jaw implant surgery.

Key words: Maxillary measurement, Cone-beam CT, Maxillary sinus lift, Incline implant

中图分类号:

R782.1

甄子澄, 沈汉, 倪俊. 基于锥形束CT的无牙颌上颌骨倾斜种植设计测量分析[J]. 上海口腔医学, 2019, 28(3): 307-311.

ZHEN Zi-cheng, SHEN Han, NI Jun. Measurement and analysis of inclining implant in edentulous maxillary surgery design based on cone-beam CT[J]. Shanghai Journal of Stomatology, 2019, 28(3): 307-311.

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