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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.

Minimum thickness for type I zinc phosphate cement should be_______________?

A 15 microns

B 25 microns

C 50 microns

D 100 microns

Review Detailed Answer

Correct Answer: 25 microns

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

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Medical Science Mcqs 5254 MCQs [All-Courses]

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All Topics 5254

Minimum thickness for type I zinc phosphate cement should be_______________?

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___________?