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Related Experiment Videos

Three different techniques for mandibular reconstruction after hemimandibulectomy.

F Iñigo1, P Rojo, A Ysunza

  • 1Plastic Surgery Department, Hospital Dr Manuel Gea Gonzalez, Mexico D.F., Mexico.

The Journal of Craniofacial Surgery
|January 1, 1997
PubMed
Summary

Restoring the mandible after hemimandibulectomy is challenging. Free fibular flaps show promise for good occlusion, but may require prosthetics for optimal dental implant height.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Reconstructive Surgery
  • Biomaterials Science

Background:

  • Mandibular reconstruction aims to restore both bone defect and function, particularly mastication.
  • Current techniques, including grafts and bone flaps, often achieve suboptimal functional outcomes.
  • Restoring adequate mastication remains a significant challenge in post-hemimandibulectomy reconstruction.

Purpose of the Study:

  • To evaluate and compare the outcomes of three distinct techniques for mandibular reconstruction following hemimandibulectomy.
  • To assess the functional restoration, specifically occlusion and osseointegrated denture capability, after different reconstructive methods.
  • To determine the efficacy of galeoparietal bone flaps, iliac crest grafts, and fibular grafts in secondary mandibular reconstruction.

Main Methods:

Related Experiment Videos

  • A retrospective study of sixteen patients undergoing secondary mandibular reconstruction after hemimandibulectomy.
  • Comparison of three surgical techniques: full-thickness galeoparietal bone flap (n=8), free iliac crest graft (n=3), and free fibular graft (n=5).
  • Evaluation of occlusion on the non-operated side and the feasibility and function of osseointegrated dentures in the reconstructed mandible for at least one year post-surgery.

Main Results:

  • Full-thickness galeoparietal flaps and free iliac crest grafts were viable options but resulted in only acceptable or poor occlusion.
  • Free fibular flaps demonstrated good functional results and achieved good occlusion.
  • Dental implantation in fibular free flap reconstructions presented challenges, often necessitating a prosthesis to achieve normal mandibular height.

Conclusions:

  • Free fibular flaps offer superior occlusal outcomes in secondary mandibular reconstruction compared to galeoparietal flaps and iliac crest grafts.
  • While effective for bone restoration and occlusion, fibular flaps may require adjunctive prosthetic solutions for optimal dental rehabilitation.
  • Further research into optimizing dental implant placement and prosthetic rehabilitation following fibular free flap mandibular reconstruction is warranted.