MN Dental Assistant Licensure Exam - Own
Notes Questions With Correct Answers
Which is the most common technique for stain removal? Rubber cup Polishing;
Silex, superfine silex, fine pumice, zirconium silicate, chalk, commercial premixed, fluoride
prophy paste
extra corse, corse, medium, fine, extra fine
Which type of grasp is used to hold hand piece? Pen grasp
what is the purpose of a fulcrum? Provide stability and allows movement of the wrist and
forearm to decrease fatigue.
what precaution should be taken when esthetic type - restorations are polished? esthetic &
porceline restorations should be polished first. Then there remaining teeth may be polished with
the use of appropriate methods for any stain present
in which direction should the polishing stroke move? begin with the distal surface of the
most posterior tooth in the quadrant, work forward toward the anterior. The stroke should be
from the gingival third toward the incisal third of the tooth
,what damage can rest from use of the prophy cup at high speed? higher speeds produce
frictional heat that can damage the tooth and burn the gingiva
how should the pts. head be positioned for access to the max and man arch? max: pts.
head with chin up
man: pts. head so the lower jaw is parallel to the floor when mouth is open
Why are topical anesthetics used in dentistry? to provide a numbing effect in a specific
area where an injection is to take place
topical medications are supplied as? how long applied for? gels
liquids
sprays
patches
Min = 15 - 30 seconds
Max = 1 - 2 minutes
What is local anesthesia? -Loss of sensation by the prevention of both generation and
conduction of nerve impulse.
-loss of sensation without loss of consciousness
,What is added to a local anesthetic to prolong its effect? Vasoconstrictor : combined with
anesthetic to slowdown the uptake of an anesthetic agent into the bloodstream and increases the
duration of action
epinephrine, levonordefrin, neo-cobefrin
what are the 2 chemical groups within anesthetics? Ester: Primarily in topical
(metabolized in plasma)
Amide: Anesthetics (metabolized in liver)
Contraindications for the use of a Vasoconstrictor on these types of pts.? Cardio/Heart
disease: DONT use vasoconstrictor on these types of pts.
angina, myocardial infarction, hypertension
What are the Injection Techniques? The location and the innervation of the tooth or teeth
to be anesthetized will be determined where topical anesthetic is placed and type of injection
given
Bone structure allows anesthetic solution to diffuse through the bone and reach the apices of the
teeth in a different manner maxillary
, anesthesia in palatal area may be necessary for procedures that involve the soft tissue of the
palate palatal
Because of dense compact bone, anesthesia doesn't diffuse well. Therefore block anesthesia is
the type of injection used. Injected by the nerve, entire nerve branch is numb. Mandibular
alternative technique involves injection of anesthetic solution under pressure directly into the
periodontel ligament and surrounding tissue Periodontal ligament
what is the purpose of fluoride? helps prevent cavities
what are two routes or means by which the body receives fluoride? Systemic: Is ingested
in water, food, beverages, or supplements
- obsorbed through the intestines and brought the blood stream where it is needed
Topical: Is applied in direct contact with the teeth through the use of fluoridated tooth paste,
fluoride mouth wash, rinses, and topical applications of rinses, gels, foams, & varnishes
what is the name of the dental condition that results from too much fluoride? Fluorosis:
Excessive fluoride during tooth development
what precautions are necessary for children who use fluoridated tooth paste? Adult
supervision is necessary during child brushing teeth, and they should be instructed to not
swallow the tooth paste
Notes Questions With Correct Answers
Which is the most common technique for stain removal? Rubber cup Polishing;
Silex, superfine silex, fine pumice, zirconium silicate, chalk, commercial premixed, fluoride
prophy paste
extra corse, corse, medium, fine, extra fine
Which type of grasp is used to hold hand piece? Pen grasp
what is the purpose of a fulcrum? Provide stability and allows movement of the wrist and
forearm to decrease fatigue.
what precaution should be taken when esthetic type - restorations are polished? esthetic &
porceline restorations should be polished first. Then there remaining teeth may be polished with
the use of appropriate methods for any stain present
in which direction should the polishing stroke move? begin with the distal surface of the
most posterior tooth in the quadrant, work forward toward the anterior. The stroke should be
from the gingival third toward the incisal third of the tooth
,what damage can rest from use of the prophy cup at high speed? higher speeds produce
frictional heat that can damage the tooth and burn the gingiva
how should the pts. head be positioned for access to the max and man arch? max: pts.
head with chin up
man: pts. head so the lower jaw is parallel to the floor when mouth is open
Why are topical anesthetics used in dentistry? to provide a numbing effect in a specific
area where an injection is to take place
topical medications are supplied as? how long applied for? gels
liquids
sprays
patches
Min = 15 - 30 seconds
Max = 1 - 2 minutes
What is local anesthesia? -Loss of sensation by the prevention of both generation and
conduction of nerve impulse.
-loss of sensation without loss of consciousness
,What is added to a local anesthetic to prolong its effect? Vasoconstrictor : combined with
anesthetic to slowdown the uptake of an anesthetic agent into the bloodstream and increases the
duration of action
epinephrine, levonordefrin, neo-cobefrin
what are the 2 chemical groups within anesthetics? Ester: Primarily in topical
(metabolized in plasma)
Amide: Anesthetics (metabolized in liver)
Contraindications for the use of a Vasoconstrictor on these types of pts.? Cardio/Heart
disease: DONT use vasoconstrictor on these types of pts.
angina, myocardial infarction, hypertension
What are the Injection Techniques? The location and the innervation of the tooth or teeth
to be anesthetized will be determined where topical anesthetic is placed and type of injection
given
Bone structure allows anesthetic solution to diffuse through the bone and reach the apices of the
teeth in a different manner maxillary
, anesthesia in palatal area may be necessary for procedures that involve the soft tissue of the
palate palatal
Because of dense compact bone, anesthesia doesn't diffuse well. Therefore block anesthesia is
the type of injection used. Injected by the nerve, entire nerve branch is numb. Mandibular
alternative technique involves injection of anesthetic solution under pressure directly into the
periodontel ligament and surrounding tissue Periodontal ligament
what is the purpose of fluoride? helps prevent cavities
what are two routes or means by which the body receives fluoride? Systemic: Is ingested
in water, food, beverages, or supplements
- obsorbed through the intestines and brought the blood stream where it is needed
Topical: Is applied in direct contact with the teeth through the use of fluoridated tooth paste,
fluoride mouth wash, rinses, and topical applications of rinses, gels, foams, & varnishes
what is the name of the dental condition that results from too much fluoride? Fluorosis:
Excessive fluoride during tooth development
what precautions are necessary for children who use fluoridated tooth paste? Adult
supervision is necessary during child brushing teeth, and they should be instructed to not
swallow the tooth paste
