锥形束CT影像评估翼上颌区骨密度及种植体三维位置

doi:10.13701/j.cnki.kqyxyj.2022.06.011

口腔医学研究 ›› 2022, Vol. 38 ›› Issue (6): 540-544.DOI: 10.13701/j.cnki.kqyxyj.2022.06.011

锥形束CT影像评估翼上颌区骨密度及种植体三维位置

姜兆霞¹, 曲哲^2*, 韩文利³

1.大连医科大学大连市口腔医院研究生培养基地种植科辽宁大连 116021;
2.大连市口腔医院种植科辽宁大连 116021;
3.大连市口腔医院影像科辽宁大连 116021

收稿日期:2022-01-11 出版日期:2022-06-28 发布日期:2022-06-23
通讯作者: * 曲哲,E-mail:quzhekq@outlook.com
作者简介:姜兆霞(1995~),女,辽宁丹东人,硕士,医师,研究方向:口腔种植学。
基金资助:
辽宁省自然科学基金(编号:2019-MS-073)

Evaluation of Bone Density and Three-dimensional Position of Implant in Pterygomaxillary Region using CBCT

JIANG Zhaoxia¹, QU Zhe^2*, HAN Wenli³

1. Resident Training Center for Dental Implantation, Dalian Stomatological Hospital, Dalian Medical University, Dalian 116021, China;
2. Department of Implantation, Dalian Stomatological Hospital, Dalian 116021, China;
3. Department of Radiology, Dalian Stomatological Hospital, Dalian 116021, China

Received:2022-01-11 Online:2022-06-28 Published:2022-06-23

摘要/Abstract

摘要： 目的:通过CBCT影像对翼上颌区测量,分析翼上颌区骨密度及种植体三维植入位置。方法:本研究对100例上颌后牙缺失并且牙槽骨严重萎缩患者的CBCT影像检查,并在翼上颌区虚拟倾斜植入种植体,测量区域密度以及种植体倾斜角度和位置特点。结果:上颌结节区、翼板区骨密度分别为(288.9±168.6) HU、(553.8±188.3) HU。年龄和性别与上颌结节区及翼板区骨密度相关性没有统计学意义(P>0.05)。测得种植体的长度为(13.1±1.8)mm,直径为(3.6±0.5) mm。相对于Frankfort平面,种植体近远中、颊腭向倾斜角度分别(66.17±3.98)°、(83.51±3.24)°。沿种植体长轴骨柱长度(17.0±2.5) mm,穿过翼上颌连接处的距离为(1.7±1.0) mm,种植体肩台中点与上颌结节最后端的距离平均为(6.9±1.5) mm。结论:本研究建议采用长度10~18 mm种植体,以近远中70°左右,颊舌向80°左右角度植入能更充分利用密质骨,提高种植体稳定性,减少并发症。

关键词: 翼板区种植, 翼上颌区种植, 上颌后牙区严重萎缩

Abstract: Objective: To measure the bone density and three-dimensional implant position in the pterygomaxillary region by CBCT image. Methods: CBCT images of 100 patients with maxillary posterior tooth loss and severe alveolar bone atrophy were analyzed. The implant was virtually implanted in the pterygomaxillary region, and the density of the area and the inclination angle and position characteristics of the implant were measured. Results: Bone density was (288.9±168.6) HU and (553.8±188.3) HU, respectively, with confidence interval of 95%. There was no significant correlation between age and gender and bone mineral density in maxillary tuberosity region and pterygoid region (P>0.05). The length and diameter of the implants were (13.1±1.8) mm and (3.6±0.5) mm respectively. Compared with the Frankfort plane, the mesio-distal axial of the implant was (66.17±3.98)°and buccal-palatal axial was (83.51±3.24)°. The length of the bone column was (17.0±2.5) mm, the distance across the pterygomaxillary junction was (1.7±1.0) mm, and the average distance between the midpoint of the implant shoulder and the end of the maxillary tuberosity was (6.9±1.5) mm. Conclusion: In this study, it is recommended to use implants with a length of 10-18mm at an angle of about 70° in the mesio-distal axial and about 80° in the buccal-palatal axial to make better use of dense bone, which improved implant stability and reduced complications.

Key words: pterygoid implant, pterygomaxillary, atrophic posterior maxilla

姜兆霞, 曲哲, 韩文利. 锥形束CT影像评估翼上颌区骨密度及种植体三维位置[J]. 口腔医学研究, 2022, 38(6): 540-544.

JIANG Zhaoxia, QU Zhe, HAN Wenli. Evaluation of Bone Density and Three-dimensional Position of Implant in Pterygomaxillary Region using CBCT[J]. Journal of Oral Science Research, 2022, 38(6): 540-544.

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锥形束CT影像评估翼上颌区骨密度及种植体三维位置

Evaluation of Bone Density and Three-dimensional Position of Implant in Pterygomaxillary Region using CBCT

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