DASLE MN EXAM QUESTIONS AND ANSWERS ALL CORRECT
Where would you place topical anesthetic for Mandibular Nerve block- inferior alveolar injection? - Answer Placement in the depression behind the retro molar pad, in the pterygoid triangle
Numbs from last molar to the central incisor, half of th...
Where would you place topical anesthetic for Mandibular Nerve block- inferior alveolar
injection? - Answer ✔ Placement in the depression behind the retro molar pad, in the
pterygoid triangle
Numbs from last molar to the central incisor, half of the tongue & lip on the injection side
Long needle
Where would you place the topical anesthetic for a Nasopalatine Injection? - Answer ✔
Placement on the palate at the incisive foramen behind the central maxillary incisors
Block maxillary injection
Numbs the lingual tissue of the anterior teeth
Short needle
Where would you place injection for a Long Buccal injection? - Answer ✔ Placement is
distal and buccal to the last tooth in arch
Numbs the buccal tissue of the mandibular molars
Mandibular injection
Long needle
Where would place topical anesthetic for middle superior alveolar block (MSA)? -
Answer ✔ Placement is in the mucobuccal fold above the 2nd premolar
Numbs the premolars and the MB root of the 1st molar
Maxillary injection
Short needle
Where would you place topical anesthetic for Incisive block/Mental block injection? -
Answer ✔ Placement is between premolars, at the mental foramen
Numbs premolars to central incisors of the injection side
Does not numb tongue
Short needle
Where would you place topical anesthetic for Greater Palatine Injection? - Answer ✔
Placement is on the palate near the 2nd molar, half way to the midline
Numbs the lingual tissue of the molars and premolars
Max injection
Short needle
,Where would you place topical anesthetic for anterior superior alveolar (ASA)? - Answer
✔ Placement is in the mucobuccal fold between the lateral and canine
Numbs the anterior teeth on the side of the injection
Maxillary injection
Short needle
where would you place topical anesthetic for Infraorbital Nerve Block? - Answer ✔
Placement is near the 1st premolar about 5 mm from the buccal surface
Numbs premolars and anterior teeth on the side of the injection
Maxillary injection
Long needle
Which anesthetic can cause an allergic reaction after prolonged use? - Answer ✔
Benzocaine (Ester)
What is the difference between a block injection and an infiltration? - Answer ✔ An
infiltration only numbs at the nerve around the apex of the tooth root and will usually
numb only a small isolated area
A block numbs multiple teeth, close to a main nerve trunk (field and nerve blocks)
Describe the motion/pressure when performing mechanical polish. - Answer ✔ Short,
overlapping, intermittent strokes (wiping and lifting motion on scrubbing)
Work from gingival to occlusal/incisal
Cup flares
Pen grasp
Fulcrum on same arch with ring finger (on a dry, hard surface)
Cup should be moving before touching the teeth
Apply slow to moderate pressure
Turn handpiece to adapt cup interproximally
What part of the dental cup does the polishing? - Answer ✔ Outer edge does the
polishing- spreads the material over the tooth and should flare 1-2 mm into the sulcus
One of the procedures to follow when polishing esthetic and porcelain restorations is to?
- Answer ✔ Polish these restorations first
What is the purpose of selective polishing? - Answer ✔ To polish only the teeth with
stain, less unnecessary removal of tooth enamel
Abrasives used in prophylaxis polishing pates are how many times stronger than tooth
structure when they are applied? - Answer ✔ 10 times harder
Which conditions of the tooth should be polished? - Answer ✔ Light brown stained teeth
, Explain therapeutic polishing. - Answer ✔ Polishing root surfaces that have been
exposed during periodontal surgery
How long does it take for biofilm to collect on the pellicle after a coronal polish? -
Answer ✔ 1-2 hours
If a line of stain or deposits appear along the gingival margin after polishing, what was
the problem? - Answer ✔ The cup was not flexed or adapted to the tooth
A mechanical polish removes what type of deposits and stains? - Answer ✔ Extrinsic
stain and soft deposits such as plaque and food debris
What are the objectives of a mechanical polish? - Answer ✔ Teeth should be smooth
and glossy
All soft deposits removed
All extrinsic stains removed
No tissue abrasion
Contributions to patient motivation
What is the reason for using a prophy brush during a mechanical/coronal polish? -
Answer ✔ Polish in the grooves (but do not used on exposed cementum or dentin)
List 3 true statements about the polishing procedure. - Answer ✔ The dental cup may
be filled with prophy paste and used to spread the paste over several surfaces in the
area to be polished
One polishing cup should be used for each different polishing agent
Approximately one capful of polishing agent is used to polish one or two teeth
What handpiece speed is sufficient to remove stain in a mechanical polish? - Answer ✔
20 psi
What is the maximum amount of time that a tooth should be polished to reduce tooth
abrasion? - Answer ✔ 3-5 seconds
Will mechanical polish increase the benefits of a fluoride treatment? - Answer ✔ no
Why do primary teeth heat up more easily during a polish? - Answer ✔ The enamel and
dentin are thinner and the pulp is larger
How do you explain a coronal polish to a child? - Answer ✔ By using the prophy cup on
their fingernail & Tell-Show-Do
What system has a tightening wrench to tighten and loosen the band? - Answer ✔
Automatrix
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