Abstract
Background/Objectives: Defects in maxillary and mandibular continuity are common in maxillofacial practice. They can occur after trauma, osteonecrosis, congenital jaw deformities, or surgical resection of benign or malignant tumours. Reconstruction with microvascular bone flaps and subsequent prosthetic rehabilitation is considered the contemporary first line treatment. This study assessed the extent to which the underlying disease influences the treatment course of microvascular segmental jaw reconstruction. Methods: A retrospective review of prospectively collected data from all patients who underwent microvascular segmental jaw reconstruction from January 2011 to December 2020 was completed. The course of treatment as well as the process of dental rehabilitation was assessed. Results: Two hundred patients were included in the study. A total of 15.5% of patients were fitted with a conventional removable prosthesis, and implant-supported prosthetic restoration could be realized in 53.5% of patients. However, dental rehabilitation was not possible in 31.0% of patients. The outcomes of prosthetic restoration showed a statistically significant difference between the different underlying diseases (p < 0.0001). About 50% of patients with malignant diseases and osteonecrosis remained without dental rehabilitation. In contrast, more than 90% of patients with jaw continuity defects, due to benign diseases or malformations, were able to receive an implant-supported prosthesis. Among the diagnostic groups, there was a significant difference regarding the number of implants placed (p < 0.0001). There was a significant correlation between increased incidence of complications and the size of the bone flaps. Conclusions: The underlying disease influenced significantly the treatment course and the outcome of dental rehabilitation after microvascular jaw reconstruction.
Published Version
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