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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.

The main difference between dental stone and dental plaster is______________?

A Chemical composition

B Self life

C Sharpe and size of particles

D Solubility in water

Review Detailed Answer

Correct Answer: Sharpe and size of particles

Gypsum is used for________________?

A Impressions

B Casts

C Die

D Casts and Dies

Review Detailed Answer

Correct Answer: Casts

The strength of the gypsum specimen when the water in excess of that required for the hydrate of the hemihydrate is left in the specimen is called____________?

A Dry strength

B Green strength

C Water strength

D Compressive strength

Review Detailed Answer

Correct Answer: Green strength

Balanced stone is dental stone_______________?

A Which undergoes rapid expansion

B In which accelerators or retarders have been added according to need

C In which amount of water of hydration is controlled

D In which the crystals are all of uniform size

Review Detailed Answer

Correct Answer: In which accelerators or retarders have been added according to need

Impression plaster containing potato starch is called______________?

A Plaster of paris

B Soluble plaster

C Anti – expansion solution

D Die stones

Review Detailed Answer

Correct Answer: Soluble plaster

Powders of dental plaster and dental stone differ mainly in____________?

A Solubility

B Shelf life

C Chemical formula

D Particle porosity

Review Detailed Answer

Correct Answer: Particle porosity

Beta hemihydrate particles absorb______________?

A More water

B Less water

C no water

D None of the above

Review Detailed Answer

Correct Answer: More water

Type III Dental gypsum is__________________?

A Class II stone

B Densite

C Class I stone or hydrocal

D Model or lab plaster

Review Detailed Answer

Correct Answer: Class I stone or hydrocal

The product, which is obtained by calcining gypsum under steam pressure at 120-130°C or by dehydrating gypsum in the presence of sodium succinate is_______________?

A Alpha – hemihydrates

B Beta – hemihydrates

C Calcium sulphate dihydrate

D Orthorhombic anhydrate

Review Detailed Answer

Correct Answer: Alpha – hemihydrates

The strength of gypsum prouducts is generally expressed in terms of______________?

A Tensile strength

B Wet strength

C Green strength

D compressive strength

Review Detailed Answer

Correct Answer: compressive strength

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

The main difference between dental stone and dental plaster is______________?

Gypsum is used for________________?

The strength of the gypsum specimen when the water in excess of that required for the hydrate of the hemihydrate is left in the specimen is called____________?

Balanced stone is dental stone_______________?

Impression plaster containing potato starch is called______________?

Powders of dental plaster and dental stone differ mainly in____________?

Beta hemihydrate particles absorb______________?

Type III Dental gypsum is__________________?

The product, which is obtained by calcining gypsum under steam pressure at 120-130°C or by dehydrating gypsum in the presence of sodium succinate is_______________?

The strength of gypsum prouducts is generally expressed in terms of______________?