Mouth temperature waxes are_______________?

Related Mcqs:

1. The base constituents of dental waxes come from three main sources except______________?

   A. Animal
   B. Mineral
   C. Insect
   D. Vegetable

2. Waxes are used for_______________?

   A. Primary impression
   B. Corrective impressions
   C. Impression of single tooth
   D. None of the above

3. Which of the waxes are derived from the lignite_________________?

   A. Paraffin wax
   B. Inlay wax
   C. Microcrystalline wax
   D. Montan wax

4. Minimum flow of Type-I impression compound at mouth temperature is___________________?

   A. 4%
   B. 6%
   C. 8%
   D. 10%

5. Which of the following cements is contraindicated in mouth breathers_______________?

   A. Silicate
   B. ASPA
   C. Polycarboxylate
   D. Zinc phosphate

6. Which material is the most difficult to remove from the patients mouth ?

   A. Metallic oxide paste
   A. Silicone impression material
   B. Reversible hydrocolloid
   C. Impression plaster

7. The best way to remove a hydrocolloid impression from the patient’s mouth is____________?

   A. Slight rocking of the impression to disengage it from the undercut
   B. Wetting the periphery of the impression with moist cotton to break the peripheral seal
   C. Sudden jerking of the impression to prevent tearing
   D. Supporting the impression along with the tray to prevent disengaging of the tray alone

8. The impression for a diagnostic cast of a partial edentulous mouth should be taken in_______________?

   A. Impression wax
   B. Modelling compound
   C. Hydro-colloid
   D. Hydro cal

9. Passivating alloys are_______________?

   A. Cr, Al, Ti
   B. Cr, Mo, Ti
   C. Cr, Gold, Ti
   D. Cr, Fe, Ti

10. The duct(s) of gland(s) opening into the floor of the mouth is (are)_______________?

    A. Submandibular and sublingual
    B. submandibular and parotid
    C. Sublingual and parotid
    D. Von Ebner