A. Improper amalgam filling
B. Pulp exposure
C. Galvanism
D. None of the above
✅ The correct answer is option C. Galvanism.
Dental Materials
All of the following is used as accelerator in zinc oxide eugenol cement except_____________?
A. Acetic acid
B. Zinc acetate dehydrate
C. Calcium chloride
D. Bromoglycerine
✅ The correct answer is option D. Bromoglycerine.
The ADA specification No 1 for composition of amalgam alloy recommends______________?
A. 65% silver, 32% tin and 3% copper
B. 49% silver, 32% tin and 19% cooper
C. 65% silver, 29% tin and 5-6% copper
D. None of the above
✅ The correct answer is option C. 65% silver, 29% tin and 5-6% copper.
All of the following is used as accelerator in zinc oxide eugenol cement except_______________?
A. Acetic acid
B. Zinc acetate dehydrate
C. Calcium chloride
D. Bromoglycerine
✅ The correct answer is option D. Bromoglycerine.
Which of the following cements have anti cariogenic properly________________?
A. ZOE
B. Calcium Hydroxide
C. Zinc silicophosphate
D. Zinc phosphate
✅ The correct answer is option C. Zinc silicophosphate.
Which of the following releases single wavelength of energy ?
A. QTH
B. PAC
C. LED
D. Argon lasers
✅ The correct answer is option D. Argon lasers.
Which of the following cements is contraindicated in mouth breathers_______________?
A. Silicate
B. ASPA
C. Polycarboxylate
D. Zinc phosphate
✅ The correct answer is option A. Silicate.
The ideal temperature of water bath for softening fluid wax is about________________?
A. 51 to 54 degree F
B. 51 to 54 degree C
C. 70 to 75 degree F
D. 70 to 75 degree C
✅ The correct answer is option B. 51 to 54 degree C.
Phenomenon in which porcelain appears different under varying light condition is______________?
A. Translucency
B. Refractive optics
C. Metamerism
D. Opacification
✅ The correct answer is option C. Metamerism.
What fraction of inhaled mercury vapors retained in the body ?
A. 45-55%
B. 55-65%
C. 65-85%
D. More than 85%
✅ The correct answer is option C. 65-85%.