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.

The function of a sprue is to_______________?

A Form an opening of molten metal to enter the mold

B Help polish cast restorations

C Eliminate air bubbles on the wax pattern

D Reproduce fine detail

Review Detailed Answer

Correct Answer: Form an opening of molten metal to enter the mold

Stabilization of stainless steel is achieved by adding____________?

A Carbon

B Chromium

C Nickel

D Titanium

Review Detailed Answer

Correct Answer: Titanium

The yield strength of AUstenite (NiTi alloy) is______________?

A 100 Mpa

B 240 Mpa

C 560 Mpa

D 700 Mpa

Review Detailed Answer

Correct Answer: 560 Mpa

A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?

A Dimensional change

B Thermal conductivity

C Warpage

D Tarnish and corrosion

Review Detailed Answer

Correct Answer: Tarnish and corrosion

Tublulence of molten gold is due to _____________?

A Impurities in gold

B Improper venting

C A and B

D None of the above

Review Detailed Answer

Correct Answer: None of the above

In a patient with allergy to costume jewelry, which of the following is contraindicated______________?

A High gold

B Low gold

C Palladium – Ag

D Ni – Cr

Review Detailed Answer

Correct Answer: Ni – Cr

Indium in metal alloys_______________?

A Improve bonding

B Harden the metal ceramic Ag-Pd alloy

C Both A and B

D None of the above

Review Detailed Answer

Correct Answer: Both A and B

Mouth temperature waxes are_______________?

A Iowa wax

B Modeling wax

C Green stick wax

D None of the above

Review Detailed Answer

Correct Answer: Iowa wax

Incomplete casting is the result of_____________?

A More porous investment in the mould

B Narrow sprue diameter

C Hollow sprue pin

D Large reservoir

Review Detailed Answer

Correct Answer: Narrow sprue diameter

Glossy smooth margins of a casting are due to_____________?

A Shrinkage of alloy on cooling

B Investment breakdown

C Incomplete wax elimination

D Incomplete gas elimination

Review Detailed Answer

Correct Answer: Incomplete wax elimination

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

The function of a sprue is to_______________?

Stabilization of stainless steel is achieved by adding____________?

The yield strength of AUstenite (NiTi alloy) is______________?

A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?

Tublulence of molten gold is due to _____________?

In a patient with allergy to costume jewelry, which of the following is contraindicated______________?

Indium in metal alloys_______________?

Mouth temperature waxes are_______________?

Incomplete casting is the result of_____________?

Glossy smooth margins of a casting are due to_____________?