339+ quick-fire dental facts • tap a card to flip
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.
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
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
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
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
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.
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
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
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
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.
Superior parathyroid glands are derived from
1) 1st branchial pouch
2) 2nd branchial pouch
3) 3rd branchial pouch
4) 4th branchial pouch
The main causative agent of Ludwig's angina is
1) Anaerobic streptococci
2) Aerobic streptococci
3) Staphylococci
4) Legionella infection
Subscribe to Premium for unlimited shorts, full synopsis, notes and mock tests — synced across all your devices.
Get Premium Access