1997 Judson C. Hickey Scientific Writing Awards. An innovative investment method for the fabrication of a closed hollow obturator prosthesis.
An investment method is described for fabrication of a closed hollow obturator based on the use of three sections of a denture processing flask. The thickness of the obturator portion is minimized and all surfaces exposed to the oral cavity are processed with heat-polymerized acrylic resin. The technique eliminates additional steps noted in the literature, allowing for the prosthesis to be processed to completion from the wax trial denture. This technique provides a lightweight and seamless obturator and can be used for complete or partially edentulous cases. Clinical and laboratory time are minimized while fabricating a durable, virtually water-tight prosthesis that can be used alone or in conjunction with an extraoral prosthesis.
McAndrew
K S
KS
Department of Prosthodontics, Virginia Commonwealth University/Medical College of Virginia, Richmond, USA.
Rothenberger
S
S
Minsley
G E
GE
D000180:Acrylic Resins; D003734:Dental Casting Investment; D003735:Dental Casting Technique; D003779:Denture Design / Q000379:methods; D003829:Denture, Partial; D006801:Humans; D007576:Jaw, Edentulous, Partially / Q000534:rehabilitation; D008437:Maxilla; D009066:Mouth, Edentulous / Q000534:rehabilitation; D010158:Palatal Obturators; D011474:Prosthesis Design / Q000379:methods
D000180:Acrylic Resins; D003734:Dental Casting Investment