牙槽神经移位术后牙种植体骨整合失败：一种罕见并发症及手术处理的报告。

Failure of Osseointegrated Dental Implant After Alveolar Nerve Transposition: A Report of an Unusual Complication and Surgical Management.

机构信息

*Surgeon, Oral and Maxillofacial Surgery Department, University Hospital, Federal University of Piaui, Picos, Brazil. †Professor, Department of Clinical and Social Dentistry, Federal University of Paraiba, Joao Pessoa, Paraiba, Brazil. ‡Professor, Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil. §Professor, Department of Oral Diagnosis, Division of Oral and Maxillofacial Surgery Piracicaba Dental School, Piracicaba, Sao Paulo, Brazil.

出版信息

Implant Dent. 2017 Aug;26(4):645-648. doi: 10.1097/ID.0000000000000609.

DOI:10.1097/ID.0000000000000609

PMID:28542040

Abstract

PURPOSE

To describe an unusual case of mandibular fracture after osseointegrated dental implant removal placed after inferior alveolar nerve transposition.

REPORT OF CASE

The patient underwent inferior nerve transposition for implant placement due to lack of interarch space. Two months after metal-ceramic crowns installation, the patient began to complain of pain in the region of the implant. In an attempt to remove the implant, there was a fracture of the implant, and only two third of it was removed, leaving only the apical portion of the implant in the mandible. The patient opted for the total removal of implant. At 15 days of follow-up, the patient returned with mandibular fracture, which was treated through an internal fixation with a titanium reconstruction plate of 2.0-mm thickness with locking screws.

CONCLUSION

The inferior alveolar nerve transposition may represent the only rehabilitation option, especially in cases where there is insufficient bone remaining for installation of short implants with reduced interarch space.

摘要

目的

描述在下颌神经移位后进行牙种植体取出后发生的下颌骨骨折的罕见病例。

病例报告

该患者由于缺乏牙弓间隙而进行了下神经移位以进行种植体放置。在安装金属-陶瓷冠两个月后，患者开始抱怨植入部位疼痛。在试图取出植入物时，植入物发生了骨折，只有三分之二被取出，只剩下植入物的根尖部分留在下颌骨中。患者选择了完全取出植入物。在随访的 15 天，患者出现下颌骨骨折，通过使用 2.0 毫米厚的带锁定螺钉的钛重建板进行内固定进行治疗。