Hollowing of Obturators for Post-Mucormycosis Maxillary Defects: Technique Based Case Series

Abstract

Post COVID-19 extensive use of steroids led to mucormycosis induced invasive sinusitis in many patients. Location and extent of the fungal infection decides the amount of maxillectomy to be performed. Post surgical rehabilitation with an obturator is required to restore function of mastication deglutition and speech. Large size of the defect and missing teeth on defect side compromise the retention of obturator and at the same time make them heavy and uncomfortable. This case series describes prosthodontic management of four casestwo partially and two completely edentulous patients operated for mucormycosis with healed palatal defects unilaterally with chief complains of inability to speak and eat. All the defects were treated with a hollow maxillary obturator prosthesis fabricated using different designs and hollowing techniques. All the patients were treated with single piece definitive hollow obturator prosthesis using different fabrication techniques aimed at reducing the weight and thus enhancing patient comfort and function. A single-piece obturator prostheses reduce the chances of plaque or bacterial accumulation to a minimal amount. This helps in maintenance of better hygiene by the patient as compared to a two-piece obturator prosthesis.