COMPOSITION FOR PRODUCTION OF COMBINED DENTAL PROSTHESIS AND METHOD Russian patent published in 2005 - IPC

FIELD: prosthetic dentistry, in particular removable bridgework.

SUBSTANCE: claimed composition is made of polyvinylchloride resin powder, liquid dioctylphtalate, epoxydized soy oil and additionally calcium stearate as stabilizer. Powder and liquid are blended, 70-80 % of obtained mixture is added to earlier mixed powder, obtained mass is heated at 60-80°C for 13-15 min, and residual (20-30 %) liquid plasticizer with epoxydized soy oil are added to formed mass. Further mass is packed together with paste of basic plastic, pressed and conditioned at 65°C, then obtained product is heated up to 170°C for 2 h and conditioned for 50-60 min. Then form with ferrule is cooled to room temperature.

EFFECT: removable dental prosthesis of improved quality.

5 ex, 1 tbl, 2 cl