Case Studies Mandibular distraction surgery - MaxFax case

3D printed anatomical model supports pre-operative planning for mandibular distraction surgery

Case Study
  • Craniomaxillofacial


A 4-year-old boy presented with Pierre Robin Syndrome (a rare condition that can cause micrognathia, glossoptosis, and a cleft palate) and mandibular growth deficiency. A physical 3D printed 1:1 scale model of the 4-year-old's mandible was used to aid diagnosis and support pre-operative planning for Mandibular Distraction Surgery.

“The 3D model aided preoperative planning and helped us determine the best treatment method for the patient and also assisted our explanation of the procedure to the patient. Having a 3D model of the anatomy helped with vector planning and enabled us to pre-operatively bend plates. Moreover, the print allowed us to place and bend distractors in a position to avoid damage to the unerupted and developing teeth.”

Pierre Robin Syndrome affects both males and females in equal numbers. It's estimated that it affects about 1 in 8,500-14,000 individuals.


With access to the 3D physical model, the procedure progressed successfully. The clinical team was able to pre-operatively prepare equipment ahead of surgery and subsequently save time in the operating theater. The team also cited usefulness of the model in trainee teaching and understanding of the surgical technique involved.With the aid of the 3D anatomical model, the clinical team was able to exactly plan the procedure and conduct corrective surgery which prevented any damage to the child’s unerupted and developing teeth. The 3D printed model was also useful in intra-team discussion and education and was found to have significantly improved operating time efficiencies.

Do you have a complicated patient case? What could we 3D print for your speciality? Request a free patient-specific 3D printed model of your next patient case.

Request a free anatomical visual