Beder, O E Rapid technique for constructing a hollow-bulb provisional obturator. [electronic resource] - The Journal of prosthetic dentistry Feb 1978 - 237-9 p. digital Publication Type: Journal Article ISSN: 0022-3913 Standard No.: 10.1016/s0022-3913(78)80029-8 doi Subjects--Topical Terms: Palatal ObturatorsProsthesis Design