- (A) Plaster of paris
- (B) Soluble plaster
- (C) Anti – expansion solution
- (D) Die stones
Medical Mcqs
- (A) Which undergoes rapid expansion
- (B) In which accelerators or retarders have been added according to need
- (C) In which amount of water of hydration is controlled
- (D) In which the crystals are all of uniform size
- (A) Impression of single tooth
- (B) Impression of whole teeth
- (C) Replica of single tooth
- (D) Replica of whole teeth
- (A) Calcium sulphate hemihydrate
- (B) Calcium phosphate
- (C) Calcium anhydrate
- (D) Calcium sulphate dihydrate
- (A) Setting time
- (B) Setting expansion
- (C) Hardness of the set product
- (D) None of the above
- (A) Investment
- (B) Hydrocolloids
- (C) Amalgam
- (D) Silicate
- (A) Sodium fluoride
- (B) Potassium fluoride
- (C) Potassium sulfate
- (D) Aluminium sulfate
- (A) Stone
- (B) Plaster
- (C) Investment
- (D) All of the above
- (A) Altering P / L Ratio
- (B) Altering temperature of mixing water
- (C) Speed and length of hand spatulation
- (D) Addition of accelerators and retarders
- (A) They are more regular in shape and dense
- (B) They are more regular in shape and highly porous
- (C) They are more irregular in shape and porous
- (D) They are more dense and prismatic in shape

