MN LDA Licensure Exam questions with complete
solutions
____ are attached to hooks or buttons that are secured on the band or
brackets Correct Ans- elastics
_____ separators are placed between contacts with a "sawing" or
flossing motion. Correct Ans- elastomeric
______ polishing refers to polishing root surfaces that have been
exposed during periodontal surgery. Correct Ans- therapeutic
a _____ is a point of support that works as a lever for movement Correct
Ans- fulcrum
A right-handed operator generally begins seated at ____ o'clock and a
left-handed operator at _____ o'clock. Correct Ans- 8; 3
a stain that is dull and yellowish-brown in color is caused by? Correct
Ans- inadequate toothpaste or poor hygiene
after preparing the tooth for bonding brackets, the sealant is places on
the ____ and the bonding material on the ____. Correct Ans- tooth;
bracket
alginate impressions must be poured within ___ so that distortion does
not occur Correct Ans- 1 hour
,alginate material that is not setting or setting too rapidly can be the result
of which factor? Correct Ans- expired shelf life, humidity, improper
storage
although technique may vary, when assisting a dentist in taking an
elastomeric impression, mix the light bodied material first Correct Ans-
true
An anterior open bite refers to which condition? Correct Ans- Maxillary
and mandibular anterior teeth do not touch
an impression is a positive reproduction of teeth and surrounding oral
tissues. the model created from the impression is a negative reproduction
of the surfaces Correct Ans- neither statement is correct
an impression should be sufficiently deep to allow___ mm of material
between the tray and the incisal or occlusal edges of the teeth. Correct
Ans- 2 - 3
An orthodontic tooth positioner is not used for what purpose? Correct
Ans- separate the teeth before banding
Arch wires that are made of _____ are useful in early stages of treatment
because they are flexible. Correct Ans- nickel titanium
, before placement of_____ separators may be necessary. Correct Ans-
bands
black stain: Correct Ans- Has no relationship to poor oral hygiene.
Black stains are caused by? Correct Ans- water minerals
Buccal arch wire tubes are located on which bands? Correct Ans-
maxillary first molar
clinical researchers have shown that sealing the margins of amalgam and
composite restorations with unfilled resins will do which of the
following? Correct Ans- arrest the progression of caries, preserve
existing restorations, preserve tooth structure
dental sealants replace other preventative care Correct Ans- false
during a crown preparation appointment, when are preformed
provisional crowns tried in for size and shape? Correct Ans- after
During cementation of bands, the cement is placed on the: Correct Ans-
inner surface of the band
During the frontal evaluation of facial esthetics, the face is examined?
Correct Ans- To examine for bilateral symmetry
solutions
____ are attached to hooks or buttons that are secured on the band or
brackets Correct Ans- elastics
_____ separators are placed between contacts with a "sawing" or
flossing motion. Correct Ans- elastomeric
______ polishing refers to polishing root surfaces that have been
exposed during periodontal surgery. Correct Ans- therapeutic
a _____ is a point of support that works as a lever for movement Correct
Ans- fulcrum
A right-handed operator generally begins seated at ____ o'clock and a
left-handed operator at _____ o'clock. Correct Ans- 8; 3
a stain that is dull and yellowish-brown in color is caused by? Correct
Ans- inadequate toothpaste or poor hygiene
after preparing the tooth for bonding brackets, the sealant is places on
the ____ and the bonding material on the ____. Correct Ans- tooth;
bracket
alginate impressions must be poured within ___ so that distortion does
not occur Correct Ans- 1 hour
,alginate material that is not setting or setting too rapidly can be the result
of which factor? Correct Ans- expired shelf life, humidity, improper
storage
although technique may vary, when assisting a dentist in taking an
elastomeric impression, mix the light bodied material first Correct Ans-
true
An anterior open bite refers to which condition? Correct Ans- Maxillary
and mandibular anterior teeth do not touch
an impression is a positive reproduction of teeth and surrounding oral
tissues. the model created from the impression is a negative reproduction
of the surfaces Correct Ans- neither statement is correct
an impression should be sufficiently deep to allow___ mm of material
between the tray and the incisal or occlusal edges of the teeth. Correct
Ans- 2 - 3
An orthodontic tooth positioner is not used for what purpose? Correct
Ans- separate the teeth before banding
Arch wires that are made of _____ are useful in early stages of treatment
because they are flexible. Correct Ans- nickel titanium
, before placement of_____ separators may be necessary. Correct Ans-
bands
black stain: Correct Ans- Has no relationship to poor oral hygiene.
Black stains are caused by? Correct Ans- water minerals
Buccal arch wire tubes are located on which bands? Correct Ans-
maxillary first molar
clinical researchers have shown that sealing the margins of amalgam and
composite restorations with unfilled resins will do which of the
following? Correct Ans- arrest the progression of caries, preserve
existing restorations, preserve tooth structure
dental sealants replace other preventative care Correct Ans- false
during a crown preparation appointment, when are preformed
provisional crowns tried in for size and shape? Correct Ans- after
During cementation of bands, the cement is placed on the: Correct Ans-
inner surface of the band
During the frontal evaluation of facial esthetics, the face is examined?
Correct Ans- To examine for bilateral symmetry
