A. Pure gold
B. Amalgam
C. Prcelain
D. Composite
Related Mcqs:
- KHN value of Amalgam is_________________?
A. 90
B. 343
C. 67
D. 450 - Ratio of diameter of enamel rods in the DEJ to the enamel surface is______________?
A. 1:4
B. 1:1
C. 1:2
D. 2:1 - Temporary structures in enamel organ are (before enamel formation) ?
A. Enamel knot
B. Enamel cord
C. Both A and B
D. Enamel Cuticle - Smooth surface caries is characterized by spread of caries in enamel and dentin as cones. These alignment in enamel and dentin is____________?
A. Base to base
B. Apex to base
C. Apex to apex
D. None of the above - Which one of the following restorative materials is having coefficient of thermal expansion close to that of tooth enamel and dentin ?
A. Microfilled composite resins
B. Pure gold
C. Silver amalgam
D. Type II Glass ionomer cement - Mottled enamel is due to______________?
A. Vitamin A deficiency
B. Excess of fluoride
C. Vitamin D deficiency
D. Teratogens - Recurrent laryngeal nerve has close relation to______________?
A. Superior thyroid artery
B. Middle thyroid vein
C. Inferior thyroid artery
D. Inferior parathyroid - Coefficienty of thermal expansion of tooth enamel is closest to_______________?
A. Slicate cement
B. Composite
C. GIC
D. Polycarboxylate - Which of the following show chemical bond with enamel (Calcified tissues)______________?
A. Composites
B. Direct filling resins
C. Polycarboxylate cements
D. BIS-GMA resins in pit and fissure sealants - The chemical used to etch enamel is_______________?
A. Zinc oxide
B. Methyl methacrylate
C. Phosphoric acid
D. Eugenol
