Questions and Answers updated 2024/2025
What is the standard for premedication - correct answer
amoxicillin
This premed has a 10% cross-sensitivity with penicillin and is not
advised if a patient has had a hypersensitivity reaction to
penicillin. - correct answer cephalosporin
This is the preferred alternative when a patient is allergic to
penicillin. What is the next best choice? - correct answer
clindamycin, azithromycin/clarithromycin
Fluoride reduces the solubility of enamel in acid by converting
___________ into less soluble _________. - correct answer
hydoxyapatite, fluorapatite
Teeth can acquire fl2 during three staged. What are they? -
correct answer pre-eruption
1. Mineralization stage (during tooth development
2. Maturation stage (after mineralization by before eruption
3. Post-eruption and throughout lifespan of teeth
What is the recommended concentration for water fluridation? -
correct answer 0.7ppm
, This type of fl2 acheives more fluorahydoxiapetite, can etch
dental work, and can be applied 2x a year - correct answer
APF
This type of fl2 is availible in 2% in solutions, gel and foam. It
does not etch dental work. - correct answer naf
This is a good fl2 for plaque control and root caries - correct
answer stannous fl2
If vertical angle is too small/flat, apices projected to edge of film
and crowns are projected toward middle of film
Insufficient vertical angulation - correct answer elongation
How is elongation corrected? - correct answer increasing
vertical angle
If the vertical angle is too large/steep, apices are projected
toward the middle of the film and crowns maybe projected off the
film
Excessive vertical angulation - correct answer foreshortening
How is foreshortening corrected? - correct answer
decreasing vertical angulation