A. Accelerating the setting stage of gypsum
B. Increase strength
C. Give dimensional stability
D. None of the above
Correct Answer: Accelerating the setting stage of gypsum ✔
Last Updated: February 07, 2020
Related MCQs
- 4th state of matter is__________?
- All of the following statements about an alginate impression are EXCEPT__________?
- Type I and Type II zinc oxide impression paste differ with respect to__________?
- The term given to the phenomenon of moisture absorption by an alginate impression in__________?
- The impression with the least dimensional change upon disinfection is__________?
- Palladium is added to polyvinyl siloxane to__________?
- Immediate pouring of impressions is most critical in__________?
- The impression material used to record the prepared areas on abutment teeth is__________?
- Alginate impression material is__________?
- Syringe material is__________?
- The impression for a diagnostic cast of a partial edentulous mouth should be taken in__________?
- Agar impression materials differ from alginate impression materials in that the former sets by__________?
- Which material undergoes hysteresis ?
- The setting time of irreversible hydrocolloids can be decreased by__________?
- Rubber base impressions are poured immediately as they__________?
- The most mucostatic impression material is__________?
- The best way to remove a hydrocolloid impression from the patient’s mouth is__________?
- Palatal secretions affect the setting of all the impression materials except__________?
- Lenolin is added is ZOE paste to__________?
- Agar is prepared from__________?
- Perforated impression tray are used for__________?
- During setting of alginate impression materials__________?
- Wash or corrective impression is done by__________?
- The plasticizers used in polyether impression material is__________?
- In reversible hydrocolloid the property by which the transformation from sol to gel and gel to sol is a function of the__________?
- Alginates are__________?
- Syneresis is associated with__________?
- The advantage of ZOE impression paste__________?
- Rinsing of the impression is important to__________?
- Which is best material for RPD impression__________?
- Which of the following is not affected by saliva ?
- Retarder in Zinc oxide eugenol is__________?
- The cross linking agent of polysulphide rubber base impression material is__________?
- When making a polysulphide impression for a caste crown, custom trays are usually preferred over stock trays for all of the following reasons except__________?
- Name the accelerator used in Zinc oxide eugenol paste__________?
- Linear contraction of elostomeric impression with passage of time is highest in__________?
- Which of the following is true about Agar hydrocolloid impression material ?
- Which one of the following increase the strength and reduce viscosity of agar hydrocolloid impression material__________?
- The water powder ratio of alginate is__________?
- Best impression material to be used for securing impression after crown preparation__________?
- Which of the following is correct glass transition temperature of Impression compound ?
- Rough and irregular surface produced on the impression is because of__________?
- Minimum flow of Type-I impression compound at mouth temperature is__________?
- Polysulfide material is routinely not recommended because of__________?
- Hydrocolloid material, show all except__________?
- Impression material that Do NOT harden by chemical reaction__________?
- Putty wash technique__________?
- What is the minimum thickness of the elastomeric impression material for an accurate impression__________?
- The relative hardness of elastomere is determined using__________?
- Rough surface of elastomeric impression results from__________?
- Most rigid elastomer is__________?