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339+ quick-fire dental facts • tap a card to flip

Showing page 1 of 38 (339 total shorts) — subject: "NEETMDS"
#1 NEETMDS

The first number in a dental or medical instrument formula indicates the width of the blade or working tip in tenths of a millimeter (0.1 mm). For example, a formula starting with "10" means the blade is 1.0 mm wide. The second number typically indicates the length of the blade in millimeters, and the third number indicates the angle of the blade in degrees.

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Answer

The first number in the instrument formula indicates

1) Length of the blade in centimeters

2) 1/10 of the width

3) angulation of the blade in degrees

4) primary cutting edge angle

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#2 NEETMDS

 

  • Cryptococcus neoformans is a heavily encapsulated yeast. The capsule is a major virulence factor and is essential for the fungus to cause disease in humans.
  • It is a significant human pathogen known to cause cryptococcosis, which frequently manifests as meningitis, particularly in immunocompromised individuals.
  • Melanin production is a crucial virulence factor for C. neoformans, helping protect it from host defenses.
  • C. neoformans is classified as a basidiomycete yeast.
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Answer

Following are the characteristics of Cryptococcus neoformans EXCEPT
1) Non capsulated fungus infecting man
2) Causes meningitis
3) Melanin production related to virulence
4) Basidiomycetes yeast

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#3 NEETMDS
The phrase "teeth in the line of fire" is a term used in dentistry and oncology to refer to teeth located within the direct path of a planned therapeutic radiation
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Teeth in line of fire means

1) Teeth in the area of planned therapeutic radiation
2) Teeth in the line of fracture.
3) Teeth with in the cancerous lesion.
4) None of the above

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#4 NEETMDS
Immediate replantation of an avulsed permanent tooth provides the best prognosis for maintaining the vitality of the periodontal ligament (PDL) cells. The optimal time for replantation is within 5 minutes of the injury. 
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Answer

A young patient came to your clinic with a history of avulsed tooth, with trauma having happened less than 10 minutes prior. The patient has the tooth with himself. What should be done
1) Wash with saline and re- implant
2) Place in HBSS
3) Observe for 14 days
4) Wait for 2 hours before re implanting

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#5 NEETMDS

Scorbutic rosary refers to the sharp, angular prominence of the costochondral junctions seen in scurvy (vitamin C deficiency). This is distinct from the blunter, rounded enlargement seen in rickets.

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Sharply angulated ribs with or without nodules with backward position of sternum is known as:
1) Hutchinsons sign
2) Rickety rosary
3) Trail sign
4) Scorbutic rosary

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#6 NEETMDS
A crib (often used in orthodontics for habit breaking, like thumb sucking) functions by making the habit unpleasant, acting as a reminder, and distributing pressure to posterior teeth. It does not establish a suction force on the anterior segment; its design actively prevents the formation of a comfortable suction seal.
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Answer

Which of the following is not a function of crib
1) Establish suction force on anterior segment
2) Make the habit unpleasant for the child
3) Distribute pressure to posterior teeth
4) Act as a reminder for the child

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#7 NEETMDS
The function of a fixer solution in radiographic film processing is to dissolve and remove the unexposed silver halide crystals from the film emulsion. This process "fixes" the image, making it permanent and preventing the remaining silver from darkening when exposed to light.
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Function of a fixer during development of a radiograph is
1) Removal of alkaline developer
2) Reduce unexposed silver particles to silver nitrate
3) Dissolves and removes the silver halide crystals which are not exposed
4) Binds the development to the film

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#8 NEETMDS

The superior parathyroid glands, along with the parafollicular C cells of the thyroid, develop from the endoderm of the caudal part of the fourth pharyngeal (branchial) pouch. The inferior parathyroid glands and the thymus gland are derived from the third pharyngeal pouch.

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Superior parathyroid glands are derived from
1) 1st branchial pouch
2) 2nd branchial pouch
3) 3rd branchial pouch
4) 4th branchial pouch

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#9 NEETMDS
Ludwig's angina is a serious, potentially life-threatening infection of the floor of the mouth, typically polymicrobial in nature. The most common causative agents are bacteria that are part of the normal oral flora, primarily streptococci (both aerobic and anaerobic) and anaerobes, especially Bacteroides and Fusobacterium species. Anaerobic streptococci are frequently isolated from these infections, making them a primary agent.
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The main causative agent of Ludwig's angina is

1) Anaerobic streptococci
2) Aerobic streptococci
3) Staphylococci
4) Legionella infection

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