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Updated: Apr 12, 2026
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A Postoperative Evaluation Guideline for Computer-Assisted Reconstruction of the Mandible
Published on: January 28, 2020
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Axially vascularised mandibular constructs: Is it time for a clinical trial?
Ahmad M Eweida1, Raymund E Horch2, Mona K Marei3
1Head and Neck and Endocrine Surgery, Faculty of Medicine, University of Alexandria, Egypt; Tissue Engineering Laboratories, Faculty of Dentistry, University of Alexandria, Alexandria, Egypt.
Summary
The arteriovenous loop (AVL) technique shows promise for regenerating complex bone defects in craniofacial reconstruction. This intrinsic vascularization method efficiently supports tissue engineering constructs, paving the way for clinical trials in mandibular reconstruction.
Area of Science:
- Regenerative medicine
- Biomaterials science
- Craniofacial surgery
Background:
- Regenerative therapies are standard in craniofacial reconstruction.
- Complex bone defects, especially post-cancer or irradiation, remain challenging.
- Adequate vascular supply is critical for successful bone regeneration.
Purpose of the Study:
- To review the preclinical use of the arteriovenous loop (AVL) for vascularizing tissue-engineering constructs.
- To systematically review axial vascularization in craniofacial regeneration.
- To propose a protocol for the first clinical trial using AVL for mandibular reconstruction.
Main Methods:
- Narrative literature review on AVL in preclinical tissue engineering.
- Systematic literature review on axial vascularization in craniofacial regeneration.
- Discussion of technique versatility, challenges, and clinical trial protocol development.
Main Results:
- The AVL technique demonstrates efficient vascularization and bone regeneration in preclinical models.
- Axial vascularization shows potential for craniofacial regeneration applications.
- The review highlights the technique's versatility and identifies challenges.
Conclusions:
- The arteriovenous loop (AVL) technique is a promising approach for intrinsic vascularization in craniofacial tissue engineering.
- Further research and systematic reviews support its potential for complex bone defect regeneration.
- A protocol for a first-in-human clinical trial for mandibular reconstruction using AVL is proposed.
Keywords:
Arterio-venous loopAxial vascularizationClinical trialsMandibular reconstructionRegenerative medicineTissue engineering
