FABRICATION OF A HOLLOW BULB OBTURATOR USING PVC SHEET AND PLASTER INDEX WITH THE HELP OF A CUSTOMISED CURING FLASK

Post surgical hemi-maxillectomy defect predisposes the patient to hypernasal speech, fluid leakage into the nasal cavity, cosmetic deformity and impaired masticatory function.The problem with a large defect is fabrication of a heavy prosthesis which leads to discomfort to the patient.Hence a hollow bulb obturator is the treatment of choice in such patients.This case report describes the fabrication of a single piece definitive hollow bulb obturator for a patient who has undergone hemimaxillectomy by the use of a PVC sheet and plaster index and also caters to the problem of difficulty in curing of large casts as result of a large defect area in conventional curing flasks by the help of fabrication of a customized curing flask.