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计算机引导种植在口腔前牙区单颗陶瓷种植体植入中的准确性：一项前瞻性临床研究。

Accuracy of computer-guided implantation in the placement of one-piece ceramic dental implants in the anterior region: A prospective clinical study.

机构信息

Faculty of Dentistry, Mahidol University, Bangkok, Thailand.

Faculty of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America.

出版信息

PLoS One. 2020 Sep 14;15(9):e0237229. doi: 10.1371/journal.pone.0237229. eCollection 2020.

DOI:10.1371/journal.pone.0237229
PMID:32925962
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7489525/
Abstract

PURPOSE

Placement of one-piece ceramic dental implants requires precision, which can be enhanced by using a computer-guided system. This prospective clinical study examines the accuracy of partially guided implantation in the placement of one-piece ceramic implants in the anterior region.

MATERIALS AND METHODS

One-piece ceramic dental implants were placed in 20 patients who were missing a central or lateral incisor. Partially guided dental implant placements were performed in all cases. The deviations in the implant positions were analyzed by superimposing post-operative cone beam computed tomography images over pre-operative treatment planning images. The results were reported as deviations (mean ± standard deviation) for three aspects (3D offset, mesio-distal, labio-lingual, and apico-coronal) and in three dimensions (the angle, coronal, and apical parts).

RESULTS

Implants were successfully placed in 20 patients. The mean angular deviation was 4.23±1.84°, whereas the mean coronal 3D offset was 0.98±0.48 mm, and the mean apical 3D offset was 1.57±0.46 mm.

CONCLUSIONS

A prospective clinical study involving 20 patients was conducted to measure the accuracy of computer-guided implantation of one-piece ceramic dental implants. Accuracy was determined by comparing the planned implant position to the actual position. Greater accuracy can be expected at the coronal part than at the apical part. The coronal 3D offset was found to be the most accurate.

摘要

目的

一体式陶瓷牙种植体的植入需要精确性，使用计算机引导系统可以提高这种精确性。本前瞻性临床研究检查了部分引导种植在在前牙区植入一体式陶瓷种植体中的准确性。

材料和方法

20 名缺失中切牙或侧切牙的患者被植入一体式陶瓷牙种植体。所有病例均采用部分引导牙种植体植入。通过将术后锥形束 CT 图像叠加到术前治疗计划图像上来分析种植体位置的偏差。结果以三个方面（三维偏移、近远中、唇舌向和根尖冠向）和三个维度（角度、冠部和根尖部）的偏差（平均值±标准差）报告。

结果

20 名患者的种植体成功植入。平均角度偏差为 4.23±1.84°，而平均冠部三维偏移为 0.98±0.48mm，平均根尖部三维偏移为 1.57±0.46mm。

结论

本前瞻性临床研究共纳入 20 名患者，旨在测量计算机引导一体式陶瓷牙种植体植入的准确性。通过比较计划植入位置与实际位置来确定准确性。冠部的准确性预计会高于根尖部。冠部三维偏移是最准确的。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/16a5/7489525/cb035556178f/pone.0237229.g010.jpg
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