The Survival and Success of External Type Dental Implant after Vascularized Mandibular Reconstruction

Jun Young Jeong; Myoung-Ju Kim; Jaeyoung Ryu; Hong-Ju Park; Hee-Kyun Oh; Seunggon Jung

doi:10.32542/implantology.2022014

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2022 Vol.26, Issue 3 Next Page

Original Article

The Survival and Success of External Type Dental Implant after Vascularized Mandibular Reconstruction

30 September 2022. pp. 141-155

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Abstract

Purpose: Oral rehabilitation for patients with extensive mandibular defects can be achieved using a vascularized bone flap (VBF) followed by implant placement. This study aimed to evaluate the survival and success rates of implants placed in reconstructed mandibles using VBF and to identify prognostic factors.

Materials and Methods: This retrospective study examined patients who underwent reconstruction surgery using VBF followed by implant placement at the Department of Oral and Maxillofacial Surgery, Chonnam National University Hospital, between January 2007 and December 2019. The collected data included age, sex, reconstruction method, number of failed and failing implants, and marginal bone loss.

Results: A total of 21 patients with 100 implants were included. The reconstruction methods used were iliac bone flap (n = 5) and fibula flap (n = 16). Ten implants showed abnormal bone resorption, and seven failed. The 5- and 10-year implant survival rates were 95.0% and 91.5%, respectively, and the success rates were 82.8% and 79.5%, respectively.

Conclusion: Implant placement after mandibular reconstruction with a VBF is useful and reliable for restoring masticatory function and improving the quality of life and socioemotional problems. Complications such as bone exposure and additional bone grafting may be risk factors for implant failure.

Keywords

Dental implant

Mandibular reconstruction

Risk factors

Success rate

Survival rate

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Information

Publisher :The Korean Academy of Oral & Maxillofacial Implantology
Publisher(Ko) :대한구강악안면임플란트학회
Journal Title :Journal of implantology and applied sciences
Journal Title(Ko) :대한구강악안면임플란트학회지
Volume : 26
No :3
Pages :141-155
Received Date : 2022-07-27
Revised Date : 2022-09-19
Accepted Date : 2022-09-20
DOI :https://doi.org/10.32542/implantology.2022014

Journal of implantology and applied sciences ISSN:2765-7833(Print) 2765-7841(Online) 대한구강악안면임플란트학회지

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