A. It is not necessary in moderately deep cavities under glass ionomer restoration
B. Have Film thickness of 1 – 50 microns
C. Do not provide thermal or electric insulation
D. Protect the pulp from reaction products leaching out of restoration
Related Mcqs:
- Asbestos liner is used in a casting ring to________________?
A. Facilitate venting of the mold
B. Retard the heating of the investment
C. Permit expansion of the world
D. All of the above - All of the following can be used to slow down the setting of Zinc oxide eugenol impression paste EXCEPT_________________?
A. Adding a small amount of glycerine
B. Adding a small amount of water
C. Altering the amounts of the two pastes used
D. Cooling mixing slab - Removal of parathyroid gland produces the following changes EXCEPT_________________?
A. Decline plasma calcium level
B. Decrease in plasma phosphate level
C. Neuromuscular hyperexcitability
D. hypo calcemic tetany - All the following amoeba live in the large intestine except_________________?
A. coli
B. nana
A. gingivalis
B. histolytica - Therapeutic uses of calcium salts include the following except_________________?
A. Osteoporosis
B. Disorders of coagulation
C. Laryngospasm
D. Extreme hyper-Kalemia - Oxygen affinity is increased by all except_________________?
A. Alkalosis
B. Hypoxia
C. Increased HbF
D. Hypothermia - Foramen magnum transmits all except_________________?
A. Vertebral artery
B. Spinal branch 10th nerve
C. Spinal cord
D. Vertebral venous plexus - Second arch derivatives are all except_________________?
A. Stapes
B. Malleus and incus
C. Styloid process
D. Superior part of hyoid bone - EBV causes all except_________________?
A. Carcinoma of nasopharynx
B. Papilloma
C. Infectious mononucleosis
D. Burkitt’s lymphoma - Sturge Weber syndrome is characterized by all EXCEPT_________________?
A. Exophytic oral Hemangioma
B. Facial hematoma
C. Tramline calcification of dura on lateral cephalogram
D. Facial hemangioma