Pashupati Chaulagain Memorial Hospital, Bhimeshwor 3, Charikot, Dolakha

Name of Dental Clinic: Pashupati Chaulagain Memorial Hospital 

Address (Full): Bhimeshwor 3, Charikot, Dolakha

Year of Establishment: 2072

Name of the chief Dental Surgeon: Dr Abhinaw Subedi

CONTACT NUMBER: 9845466682

NMC Number of Dental Surgeon: 30633

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We care dental and facial cosmetic clinic, Khaireni Nagarpalika - 9, Chitwan

 Name of Dental Clinic: We care dental and facial cosmetic clinic

Address (Full): Simaltandi ,Khaireni nagarpalika ward 9, chitwan 

Year of Establishment: 2021

Name of the chief Dental Surgeon: Dr.Appu yadav

CONTACT NUMBER: 9849111117

NMC Number of Dental Surgeon: 28350

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The stock tray should be _______ mm larger than the ridge.

 # In primary impression, the stock tray should be _________ mm larger than ridge. 

A. 2 mm 

B. 4 mm

C. 6 mm

D. 8 mm

The correct answer is C. 6 mm.

If the tray is too large, it will distort the tissues around the borders of impression. If it is too small, the border tissues will collapse inward onto the residual ridge and thus reduce the support for the dentures.

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The Bennett movement exerts its greatest influence in:

 # The Bennett movement exerts its greatest influence in:

A. Lateral movement

B. Protrusive movement 

C. Opening movement

D. Closing movement

The correct answer is A. Lateral movement.

Bennett movement is a lateral jaw movement demarcated by movement of balancfng side condyle. It is brought about by lateral pterygoid as it is attacked to neck of condyle and the capsule.

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Minimum thickness of metal coping of base metal alloy is:

 # The minimum thickness of metal coping of base metal alloy is:

A. 0.1 mm

B. 0.2 mm

C. 0.3 mm

D. 0.4 mm

The correct answer is B. 0.2 mm.

For gold alloys, the minimum thickness of coping should be: 0.3 mm

For base metal alloys, the minimum thickness of coping should be: 0.2 mm

Minimum thickness of porcelain in metal ceramic restoration should be: 0.7 mm

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Which has common role in osteoblast, fibroblast and cementoblast?

 # Which has common role in osteoblast, fibroblast and cementoblast?

A. Osteopontin

B. Osteocalcin

C. Osteogenin

D. Bone Sialoprotein

The correct answer is A. Osteopontin.

Osteopontin (OPN) is a highly phosphorylated sialoprotein that is a prominent component of the mineralized extracellular matrices of bones and teeth. 

Osteopontin (OPN), also known as bone sialoprotein I (BSP-1 or BNSP), early T-lymphocyte activation (ETA-1), secreted phosphoprotein 1 (SPP1), 2ar and Rickettsia resistance (Ric), is a protein that in humans is encoded by the SPP1 gene (secreted phosphoprotein 1). 

Osteopontin is biosynthesized by a variety of tissue types including fibroblasts preosteoblasts, osteoblasts, osteocytes, odontoblasts, some bone marrow cells, hypertrophic chondrocytes, dendritic cells, macrophages, smooth muscle, skeletal muscle myoblasts, endothelial cells and extraosseous (non-bone) cells in the inner ear, brain, kidney, deciduum and placenta. 

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In a demographic cycle, if death rate is declining but there is no increase in birth rate, this population is called as:

 # In a demographic cycle, if death rate is declining but there is no increase in birth rate, this population is called as:

A. Early expanding

B. Low stationary

C. High stationary

D. Declining

The correct answer is A. Early expanding.

There is a demographic cycle of 5 stages through which a nation passes.

First stage (High stationary): This stage is characterized by a high birth rate and high death rate which cancel each other and the population remains stationary. 

Second stage (Early expanding): The death rate begins to decline while the birth rate remains unchanged. As the birth rates remain high, the population starts to grow rapidly.

Third stage (Late expanding)- Death rate declines still further and birth rate tends to fall, but population tends to grow as birth rate supersedes the death rates, but rates of population growth decelerates.

Fourth stage (Low stationary)- This stage is characterized by low birth and low death rate with the result that the population becomes stationary. Most industrialized countries have gone through a demographic transition from a high birth and high death rates to low birth and low death rates.

Fifth stage (Declining): Population begins to decline because birth rate is lower than death rate.