A. Testing the strength of plaster of paris
B. Evaluating the setting time of plaster of pris
C. Testing the metal hardness
D. Testing the purity of noble metals
Related Mcqs:
- During inferior alveolar nerve block the needle of LA syringe is penetrated into parotid gland which of the following structure is most likely to be penetrated_____________?
A. Lingual nerve
B. Lingual artery
C. Internal carotid artery
D. External carotid artery - The Manufacturing unit of surgical needle & sutures are sterilized by ________________?
A. Gamma-Rays
B. X-Rays
C. Autoclaving
D. Boiling - While performing a procedure, a resident doctor injures herself with a suture needle that has been used to stitch a patient with HIV infection for 11 years. He has been complaint with therapy for several years and has recently changed tablets because of alteration in his appearance. His last CD4 count was 360 cells/mm. The doctor is offered post exposure prophylaxis. Which regimen should she take ?
A. Ziduvidine and Lamivudine
B. Ziduvidine and Lamivudine and Indivair
C. Ziduvidine and Lamivudine and Stavudine
D. Ziduvidine and Lamivudine and Abacavir - Fine Needle aspiration biopsy is indicated to diagnose:_____________?
A. Traumatic ulcer
B. Pemphigus
C. Necrotic pulp
D. Chronic gingivitis - Frozen slab technique of mixing zinc phosphate is used for_______________?
A. Cementing crowns
B. Temporary dressing
C. base
D. cementing orthodontic bands - K2SO4 in agar-agar is for_______________?
A. Accelerating the setting stage of gypsum
B. Increase strength
C. Give dimensional stability
D. None of the above - Perforated impression tray are used for_______________?
A. Alginate
B. Zinc oxide-eugenol
C. Agar-agar
D. Impression compound - Waxes are used for_______________?
A. Primary impression
B. Corrective impressions
C. Impression of single tooth
D. None of the above - Quartz in investment material is added for_______________?
A. Strength
B. Expansion components for casting shrinkage
C. Decrease strength
D. Contraction - Use of dimethyl-P-toluidine is indicated for_______________?
A. Thermal polymerization of acrylic
B. Chemical polymerization
C. Retarding the polymerization reaction
D. To inhibit the action of benzoyl peroxide