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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

About zinc oxide eugenol all are true except_______________?
A ZnO is converted to Zn(OH)2
B Reaction is autocatalytic
C Water is the byproduct of reaction
D Dehydrated ZnO reacts with dehydrated eugenol
Correct Answer: Dehydrated ZnO reacts with dehydrated eugenol
Which glass ionomer cement develops early resistance to water intake on setting ?
A Reinforced auto care glass ionomer cement
B Compomer
C Resin modified glass ionomer cement
D Ceramic reinforced glass ionomer cement
Correct Answer: Resin modified glass ionomer cement
Advantage of zinc phosphate over GIC is______________?
A High compressive strength
B Tensile strength
C High modulus of elasticity
D Diametral strength
Correct Answer: High modulus of elasticity
Cavity varnishes have_____________?
A Average bonding to tooth
B Low bonding to tooth
C Excellent bonding to tooth
D No bonding to tooth
Correct Answer: No bonding to tooth
Which one of the following dental cements does not contain water as part of the composition of the liquid component ?
A Zinc Phosphate cement
B Zinc oxide equgenol cement
C Zinc silicophosphate cement
D Zinc polycarboxylate cement
Correct Answer: Zinc oxide equgenol cement
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
Correct Answer: Type II Glass ionomer cement
Mode of failure during dislodgement of prosthesis cemented with zinc poly carboxylate cement is usually seen at the_____________?
A Cement tooth interface
B Cement prosthesis interface
C Cleavage through the cement layer
D Fracture of tooth or prosthesis
Correct Answer: Cement prosthesis interface
The setting time of ZnPO4 cement can be retarded by_____________?
A mixing more powder to the liquid
B mixing powder to liquid, checked by water
C slower addition of powder to liquid
D faster addition of powder to liquid
Correct Answer: slower addition of powder to liquid
MEchanism of adhesion of GIC restoration with tooth surface is by mean of ______________?
A Carboxyl group
B Chelates with Metal Ions
C C=C double bond
D Polymer chains
Correct Answer: Carboxyl group
In non-eugenol pastes the constituents are mixed in______________?
A Phosphoric Acid
B Ethyl alcohol
C Benzoic acid
D None of the above
Correct Answer: Benzoic acid
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