- (A) Hydrocolloids, silicones, polyether, polysulfide
- (B) Silicones, hydrocolloids, polyether, polysulfide
- (C) Polysulfide, hydrocolloids, silicones, polyether
- (D) Hydrocolloids, polyether, silicones, polysulfide
Medical Mcqs
- (A) Plaster of paris
- (B) Agar – agar
- (C) Zinc oxide eugenol
- (D) Elastomers
- (A) Improper application of pressure during impression making
- (B) Air incorporated during mixing
- (C) Too rapid polymerization
- (D) Presence of moisture in impression area
- (A) Single mix material have higher viscosity
- (B) Shear thinning is related to viscosity of non phase impression material
- (C) Improper mixing of material can cause permanent deformation of impression
- (D) Putty – wash technique of impression reduces dimensional change of setting
- (A) Boiling
- (B) Condensation
- (C) Vulconization
- (D) Chain lengthening
- (A) Glycol
- (B) Glyecrol
- (C) Glutamic acid
- (D) alcohol
- (A) Retarder
- (B) Modifier
- (C) Plasticier
- (D) Accelerator
- (A) Mineral oil
- (B) Surfactant
- (C) Water
- (D) Plasticizer
- (A) Using less water powder ratio
- (B) Storing the impression under water
- (C) Prolonged manipulation
- (D) Using humidor
- (A) Polymerization occurs with repeated elimination of small molecules
- (B) Polymerization occurs with elimination of single byproduct
- (C) By condensation of repeated molecules of monomers
- (D) Condensation does not occur at all
