Int J Stomatol

Inter J Stomatol ›› 2012, Vol. 39 ›› Issue (6): 739-741.doi: 10.3969/j.issn.1673-5749.2012.06.011

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A case report about bone fragment broke into the inferior alveolar nerve canal by implant extrusion without discomfort

Rong Mingdeng1, Guo Zehong1, Huang Yu2, Wu Mulian1, Wu Mei3, Zhou Lei1.   

  1. 1. Dept. of Oral and Maxillofacial Surgery, Southern Medical University, Guangdong Provincial Stomatological Hospital, Guangzhou 510280, China; 2. Deren Oral Clinic of Panyu District in Guangzhou, Guangzhou 511430, China; 3. Dept. of Stomatology, Contagious Hospital of Jiangyou in Sichuan, Jiangyou 621704, China
  • Received:2012-04-15 Revised:2012-08-07 Online:2012-11-01 Published:2012-11-01

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Abstract:

Temporarily or long-term lower lip numbness, pain, discomfort and other symptoms are often caused by dental implants and bone fragments into the inferior alveolar neural canal, and it has to remove the implant ultimately. This paper reported a case that implant extruded bone fragment into the inferior alveolar nerve tube, and the patient was not fell abnormal pain and numbness after surgery. 3 months later, the cone beam computed tomography-checking showed that the bone fragment was absorbed and the implant gained good osseointegration. Implant-suported restoration was finished after 3.5 months, 2-years follow-up, the patient felt good. To reduce the length of the implant appropriatly and the correct operation can greatly reduce this risk.

Key words: dental implant, inferior alveolar nerve, complication, lower lip numbness


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