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Rehabilitating a maxillectomy patient by interdisciplinary alveolar bone preservation technique using submergence of teeth roots

Retention for edentulous maxillary obturator is always challenging. Although implants offer good retention in edentulous patients, lack of tissue beds, less predictable integration, economic constraints may preclude implantation. Therefore, the preservation of residual alveolar ridge is mandatory to enhance the retention, support, and stability of the removable obturator prosthesis. Retaining roots through “Root submergence technique” maintains the attachment apparatus and aids in decreasing the resorptive pattern, thereby preserving the residual ridge to some extent. Here, we report a case in which nonvital root submergence is carried out in a partial maxillectomy patient to prevent alveolar ridge resorption adhering to DeVan's dictum “Perpetual preservation” of what remains is more important than the meticulous replacement of what is missing.