Osteomas are benign osteogenic lesions of the bone. When this involves the maxilla and requires resection, maxillectomy defect results and this in turn leads to compromised function in terms of mastication, speech and also psychological well-being. Definitive obturator prosthesis fabricated with maximum extension and incorporation of proper design rehabilitates the patient by improving masticatory efficiency, increasing speech clarity, improves the esthetics, thereby enhancing the overall quality of life. This case report presents one such case of a rare intraoral peripheral cancellous osteoma affecting the maxilla and its prosthetic rehabilitation following surgical resection