Peri‐implant epidermoid cyst: A case report and literature analysis

Author:

Wei Shibo1,Zhang Xu1,Yu Fei1,Guo Shuigen1,Wei Hongwu1

Affiliation:

1. Department of Oral Implantology The Fourth Affiliated Hospital of Nanchang University, School of Medicine, Nanchang University Nanchang China

Abstract

AbstractBackgroundA peri‐implant cystic lesion is a rare finding, and to date most investigators have considered that its pathogenesis is caused by trauma and infection related to dental implantation. However, the pathogenesis of these cysts remains unclear and is recognized to have multifactorial origins.Case presentationIn February 2021, a 75‐year‐old male patient underwent implant restoration due to mobility of the left maxillary central incisor. The implant achieved good osseointegration and was successfully restored. However, in March 2023, the patient sought treatment due to mobility of the dental implant. Clinical examination showed that the implant had loosened in three directions (vertical, mesial‐distal, and labial‐lingual), and the peri‐implant mucosa was slightly red and swollen. Radiographic examination (cone beam computed tomography) showed a large radiolucent area with clear boundaries involving the cervical and middle portions of the dental implant, and white bone lines were observed at the edge of the low‐density shadow. Intraoperatively, we removed the patient's implant, performed a complete debridement, and conducted bone augmentation surgery in the area of bone defect. Postoperatively, the patient recovered well. The final histopathological result confirmed an epidermoid cyst.ConclusionsPeri‐implant epidermoid cyst is a rare complication that affects the long‐term outcome of implant therapy. This case serves as a warning to clinicians to avoid involving epithelial tissue in the implant site during implant surgery, in order to prevent the potential occurrence of a peri‐implant epidermoid cyst, thereby creating better conditions for the patient's recovery and the long‐term efficacy of the implant.

Publisher

Wiley

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