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Published on: August 4, 2020
Immediate Teeth in Fibulas: Planning and Digital Workflow With Point-of-Care 3D Printing
Fayette C Williams1, Daniel A Hammer2, Todd R Wentland2
1Fellowship Director, Division of Maxillofacial Oncology and Reconstructive Surgery, John Peter Smith Health Network, Fort Worth, TX.
Purpose:
Point-of-care 3-dimensional (3D) printing has become more common in recent years because many hospitals have created 3D printing laboratories. Traditional techniques to fabricate an immediate dental prosthesis for fibula and implant reconstructions have involved outsourcing to dental laboratories. This results in delays, making it suitable only for benign disease. In the present report, we have demonstrated a technique for in-house creation of a 3D printed dental prosthesis for placement of implants at free fibula maxillofacial reconstruction. Our digital method has reduced costs and shortened the interval to surgery compared with traditional laboratory techniques.
Materials And Methods:
Twelve patients underwent free fibula reconstruction of the mandible or maxilla with immediate implants and immediate teeth. A dental implant-retained restoration was created before surgery for immediate placement at fibula reconstruction. For the first 5 patients, the prosthesis was fabricated by a dental laboratory after virtual surgical planning. For the next 7 patients, the prosthesis was designed by the surgeon and 3D printed via the in-house laboratory. Four of these in-house cases were performed for malignant disease with skin paddles.
Results:
All 12 patients received an immediate implant-retained fixed prosthesis at fibula reconstruction. The time required to generate the in-house 3D printed prostheses was significantly shorter than that required to create the dental laboratory-fabricated prostheses. The costs were also less with the 3D printed prostheses compared with the dental laboratory-fabricated prostheses.
Conclusions:
The digital workflow we have presented eliminates the delay in creating a dental laboratory-fabricated provisional dental prosthesis for fibula and implant reconstruction. This allows for immediate dental restoration for patients with malignant disease previously considered unsuitable owing to the inherent delay required using an offsite dental laboratory. A decrease in cost to create in-house 3D printed prostheses was noted compared with the prostheses fabricated by a dental laboratory. Case selection is critical to predict the soft tissue needs for composite defects.
