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Full-staged digital and prosthetic guided protocol for the insertion of dental implants in autogenous free bone grafts after reconstruction of segmental mandibular defects

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Abstract

Purpose

This study aims to evaluate the clinical and radiographic outcomes of dental implants, inserted in consolidated free bone grafts; postsegmental mandibular resection, after following a fully guided staged protocol, which established a systematic approach that correlates the grafted bone and the enclosed implants to the undisturbed mandibular segments and the maxillary occlusal plane.

Methods

Seven patients were enrolled in the study; all were diagnosed for mandibular locally aggressive tumors. All of the patients were subjected to computer-guided segmental mandibular resections, secondary free iliac crest bone graft; aided by computer-guided harvest and prosthetic guidance of the graft positioning and fixation. Finally, the guided bone grafts; after being consolidated, received twenty-nine computer-guided dental implants.

Results

By the end of the period of osseointegration, the predetermined criteria of implant success judged the success of twenty-five implants, versus the failure of four implants, with (86.2%) percentage of success.

Conclusion

The clinical and radiographic assessments demonstrated sound base bone grafts, which succeeded not only to restore the native mandibular continuity and configuration but also to direct the fair-sized embedded dental implants into favorable coastal locations and axial projections, which influenced a smooth prosthetic rehabilitation.

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Authors and Affiliations

  1. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, MSA University, Sixth of October, Egypt

    Samy Mounir

  2. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Cairo University, Cairo, Egypt

    Mohamed Mounir

  3. Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Beni-Suef University, Beni-Suef, 62764, Egypt

    Amr Gibaly

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  1. Samy Mounir
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  2. Mohamed Mounir
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  3. Amr Gibaly
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Correspondence to Amr Gibaly.

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Mounir, S., Mounir, M. & Gibaly, A. Full-staged digital and prosthetic guided protocol for the insertion of dental implants in autogenous free bone grafts after reconstruction of segmental mandibular defects. Oral Maxillofac Surg 24, 189–201 (2020). https://doi.org/10.1007/s10006-020-00839-6

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  • DOI: https://doi.org/10.1007/s10006-020-00839-6

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