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Medical Science Mcqs 5254 MCQs [All-Courses]

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

Which of the following is common to both zinc eugenol cement and polycarboxylate cement?

A Polyacrylic acid is liquid

B Chemical bond to tooth structure

C Chelation

D Substitution o eugenol by EBA to increase strength of cement

Review Detailed Answer

Correct Answer: Chelation

The addition of which of the following can accelerate the setting time of zinc oxide cement_____________?

A Zinc acetate

B Barium sulphate

C Zinc sulphate

D Barium chloride

Review Detailed Answer

Correct Answer: Zinc acetate

pH of fully set zinc phosphate______________?

A 3-4

B 4-5

C 6-7

D 7-8

Review Detailed Answer

Correct Answer: 6-7

Which of the following cements is most irritant to pulpal tissues ?

A Zinc phosphate

B Silicate

C Glass ionomer

D Polycarboxylate

Review Detailed Answer

Correct Answer: Silicate

PH of polycarboxylate liquid is____________?

A 5

B 7

C 8

D 1.7

Review Detailed Answer

Correct Answer: 7

When selection the colour of cement to use for cementing a porcelain jacket crown, the powder being tested is best mixed with______________?

A Glycerin-water solution

B Cement liquid

C Alcohol

D Only water

Review Detailed Answer

Correct Answer: Glycerin-water solution

The setting of zinc phosphate may be retarded by ?

A Increased in the ratio of powder to liquid

B Diluting the liquid with water

C Increase the addition of powder to liquid

D Decrease the addition of powder to liquid

Review Detailed Answer

Correct Answer: Decrease the addition of powder to liquid

Thickness of luting cement is_____________?

A 20-40μ

B 10-20μ

C 60-80μ

D 1-2μ

Review Detailed Answer

Correct Answer: 20-40μ

The chief advantage of zinc phosphate cement is its___________?

A Good compressive strength

B Film thickness

C Lack of irritation

D Low solubility

Review Detailed Answer

Correct Answer: Film thickness

Which of the following cements is most biocompatible with pulp ?

A GIC

B Copper cement

C Zinc phosphate cement

D Zinc oxide eugenol cement

Review Detailed Answer

Correct Answer: Zinc oxide eugenol cement

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Which of the following is common to both zinc eugenol cement and polycarboxylate cement?

The addition of which of the following can accelerate the setting time of zinc oxide cement_____________?

pH of fully set zinc phosphate______________?

Which of the following cements is most irritant to pulpal tissues ?

PH of polycarboxylate liquid is____________?

When selection the colour of cement to use for cementing a porcelain jacket crown, the powder being tested is best mixed with______________?

The setting of zinc phosphate may be retarded by ?

Thickness of luting cement is_____________?

The chief advantage of zinc phosphate cement is its___________?

Which of the following cements is most biocompatible with pulp ?