What Researchers Did
Researchers reported on the 19-year postoperative course of a patient who received radiation therapy and underwent reconstruction of a maxillary defect with implant-retained facial prostheses.
What They Found
Initially, two of four implants failed within 4 years and 6 months, with the remaining implants showing bone regression after the patient received 60 Gy of radiation therapy. However, after replacement with Epitec System implants placed in non-irradiated bone, good osseointegration was maintained for 11 years and 6 months.
What This Means for Canadian Patients
Canadian patients requiring maxillofacial prostheses after radiation therapy may benefit from careful implant site selection, prioritizing non-irradiated bone. This approach could lead to more stable and long-lasting implant retention, potentially reducing the need for repeat procedures.
Canadian Relevance
This study has no direct Canadian connection as it is a case report from Japan.
Study Limitations
As a case report, this study's findings are limited by its focus on a single patient and may not be generalizable to a broader population.