Application of double miniscrews for extraction of horizontally impacted wisdom tooth with high risk of injury to inferior alveolar nerve

doi:10.19439/j.sjos.2018.04.018

Abstract

Abstract: PURPOSE: To study the clinical effect of double miniscrews for extraction of horizontally impacted wisdom tooth adjacent to the inferior alveolar nerve canal. METHODS: Eight horizontally impacted wisdom teeth requiring extraction because of orthodontic treatment were proven to be adjacent to the inferior alveolar nerve canal by means of cone-beam CT scan. The treatment began with double miniscrews traction under the help of cantilever beam. After 6~9 months, they left the canal and then were extracted. RESULTS: After extraction, no patient developed lip numbness. CONCLUSIONS: Application of double miniscrews traction is an efficient and reliable method for extraction of horizontally impacted wisdom tooth that is adjacent to the inferior alveolar nerve canal.

Key words: Double miniscrews anchorage, Traction extraction, Cantilever beam, Horizontal impaction

CLC Number:

R782.11

MA Xiao-qing, XIANG Fei, QIN Fei, QIAN Wen-hao. Application of double miniscrews for extraction of horizontally impacted wisdom tooth with high risk of injury to inferior alveolar nerve[J]. Shanghai Journal of Stomatology, 2018, 27(4): 424-426.

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