Shifman A
J Prosthet Dent. 1983 Sep;50(3):384-5. doi: 10.1016/s0022-3913(83)80098-5.
Obturator prostheses are often large and heavy. As an alternative to a lighter hollow obturator, a technique for fabrication of the open obturator has been presented. Use of a removable silicone core facilitates processing, recovery, and polishing of an obturator that is open superiorly.