Exam 2026-2027 Actual Complete Real Exam Questions And
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When is it necessary to use custom impression trays? -
ANSWER -It may
be necessary to use a custom impression tray in order to
obtain an accurate
impression. Sometimes a regular stock tray may not fit or the
stock tray will not allow a minimum amount of space for the
material to flow around the prepared area, or it may require that
an overabundance of impression material be used to obtain the
impression, therefore risking an inferior outcome. In any case,
a custom tray can be fabricated to meet the need (p. 950).
What is the etiology of dental caries? - ANSWER -Cavities, also
called tooth decay or caries, are caused by a combination of
factors, including bacteria in your mouth, plaque, frequent
snacking, sipping sugary drinks and not cleaning your teeth
well.
Describe the change in teeth and periodontium as a result of
aging? - ANSWER -With increasing age, the epithelial issues
(which is what makes up your gums) will thin, which will lead to
teeth looking longer as more of the tooth will be exposed. This
,can cause teeth to shift, as well as cause pain and sensitivity
due to dentin exposure.
How does the use of tobacco affect oral health? - ANSWER -Both
smoking
and chewing tobacco are causative factors in tooth
staining, periodontal
disease, and halitosis. Chewing tobacco adds a high risk
for oral cancer
(p.323).
What type of toothbrush bristles are recommended? -
ANSWER -a soft-
bristled
toothbrush
What tooth brushing technique is used for? Removal of plaque
next to and
directly beneath the gingival margin, stimulation of the marginal
and interdental directly beneath the gingival margin, stimulation
of the marginal and interdental
gingival, and good overall cleaning, plaque removal and
stimulation of the
gingival? - ANSWER -Bass
technique
Why is it necessary to floss teeth daily? - ANSWER -Cleaning
between teeth removes plaque that can lead to cavities or gum
disease from the areas where a toothbrush can't reach.
,Which fingers are the floss wrapped around? - ANSWER -one
end around
your left middle finger and the other end around your
right middle finger
What are disadvantages of stannous fluoride? - ANSWER
-· it has a
somewhat bitter and
unpleasant taste
· In larger doses, it may have some health risks.
· may causes fluorosis
. Describe the steps in providing a fluoride treatment with 1.23
acidulated
phosphate fluoride? - ANSWER -· Dry patient's teeth->
Mandibular first (keep
finger in mouth when you get mandibular tray-patient
will close mouth
· Insert mandibular tray
· Dray maxillary teeth
· Insert maxillary tray
, · Have patient close with saliva ejector between trays-> Give
patient a paper
towel in case of drooling-Patient tip chin down to prevent
swallowing-After
4minutes, take tray out, but do
not rinse.
· Remind patient they can't eat, drink, rinse, brush or floss for
30 min
What food are cariogenic? - ANSWER -Sugary and starchy
foods such as
bread, rice, noodles, crackers, cakes, sweetened cereals, and
hard and chewy
candies; Sticky foods such as dried fruits, fruit snacks,
cookies, and chewy
candies
(toffee)
Which vitamins are fat soluble? - ANSWER -A, D, E, and K
Which vitamins are water soluble? - ANSWER -B & C
How many servings are needed daily of? Fats, oils and sweets;
milk, yogurt, and cheese; meat, poultry, fish, dry beans, eggs
and nuts; vegetables; fruits; bread, cereal, rice and pasta? -
ANSWER -Milk, Yogurt, and Cheese
1 cup of milk or yogurt
1 1/2 ounces of natural cheese