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Updated: Jun 20, 2026

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Designing CAD/CAM Surgical Guides for Maxillary Reconstruction Using an In-house Approach
Published on: August 24, 2018
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Computer-assisted Alar Base Bone Graft Design in Unilateral Cleft Lip Reconstruction
Hossam Hassan Fawzy1, Omar Mahmoud Ibrahim Hassan1, Dalia Elsakka1
1From the Department of Plastic and Reconstructive Surgery, Faculty of Medicine, Menoufia University, Menoufia, Egypt.
Plastic and Reconstructive Surgery. Global Open
|September 15, 2025
Summary
This study explores 3D computer-aided design for bone grafting in cleft lip surgery, aiming to improve nasal symmetry. While technology enhances precision, achieving consistent symmetry remains a challenge in craniofacial surgery.
Area of Science:
- Craniofacial Surgery
- Plastic Surgery
- Medical Technology
Background:
- Cleft lip nasal deformities present significant challenges in achieving symmetry.
- Recessed alar bases and complex anatomical variations complicate surgical correction.
- Accurate restoration of bone structure on the cleft side is critical for aesthetic outcomes.
Purpose of the Study:
- To explore the integration of 3-dimensional computer-aided design (3D-CAD) in preoperative planning for bone grafting.
- To improve the precision of maxillary augmentation in cleft lip repair.
- To enhance postoperative symmetry in cleft lip nasal deformities.
Main Methods:
- Utilized 3D-CAD technology for preoperative planning of bone grafting procedures.
- Focused on precise simulation and surgical planning for maxillary augmentation.
- Applied advanced technology to address anatomical variations in cleft lip patients.
Main Results:
- 3D-CAD technology improved the precision of maxillary augmentation.
- The approach demonstrated potential in overcoming difficulties in achieving postoperative symmetry.
- Enhanced simulations and surgical planning reduced variability in outcomes.
Conclusions:
- Technological innovation, particularly 3D-CAD, is crucial for addressing cleft-related deformities.
- While advancements improve precision, consistent symmetry restoration remains challenging.
- Continuous refinement of surgical techniques is necessary for improved results in cleft lip repair.

