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Mn DASLE 2023 review with complete solutions
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Mn DASLE 2023 review with complete solutions
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Mn DASLE 2023 review withcomplete solutions
Why and where is it necessary to add wax (wax trimming) two an alginate
tray? - answer To add length of the tray, protect the tissues from injuries,
add pallet , ads border in order to buckle muscles
What is the correct operator position when taking a maxillary impression
and a mandibular impression? - answer For maxillary impression must be
at 11 to 12 o'clock position behind patient for mandibular at 7 o'clock to 8
o'clock in front of patient
How do you avoid excess material from going down a patient's throat
when taking a maxillary impression? - answer Head forward, seat
posterior first before pushing anterior
Why is the patient instructed to lift and extrude their tongue on taking
mandibular impression? - answer To ensure the flange is captured
What type of tray/trays are used for an alginate impression? - answer
Plastic and metal perforated trays
Why are perforated trays used for alginate? - answer Locks the material
into the tray
How can an accurate impression of the anterior buccal fold (vestibule) be
obtained - answer Pre-coating with Alginate
How is the setting time for Alginet lengthened and shortened? - answer
To shorten time use warm water
To lengthen time use cold water
,What causes drags? - answer Movement while material is setting up or
premature set
What is the cause of folds? - answer Alginate that was painted on teeth
sets before tray was seated
What causes fine bubbles throughout the impression - answer Patient
gagged
What causes buccal surface/aspects protruding on both sides of the tray -
answer Tray is too narrow
What causes mandibular, retromolar pad not visible on impression -
answer Tray is too short
Why is mouthwash used in alginate impressions? (4) - answer Remove
food in debris, helps prevent bubbles, cuts the viscosity of saliva, helps
prevent gagging on the maxillary.
How many scoops of powder is used for mandibular impression? - answer
2:2
How many scoops of powder are used in maxillary impressions? - answer
3:3
How do you load a mandibular tray? - answer From the back
How do you load a maxillary tray? - answer From the lingual side
Auto matrix is unique, in that it has a wrench that does whist - answer
Tightens and loosens the band
Wedge function is to - answer Contour, and hold the band securely
, Improper placement of the wedge can cause? - answer Overhang and
cupping
Class III & IV composit use what matrix? How do you contour the type of
matrix? - answer Mylar strip, and mirror handle
Correct band placement is how much above the occlusal surface? - answer
1 1/2 to 2mm above
Define extrinsic stain - answer Occurs on external surfaces of the teeth.
Can be removed by brushing, scaling and polishing. Examples are tea and
coffee.
Define intrinsic Stain - answer occurs within the tooth structure. Cannot
be removed. Can be fixed with crowns, veneer, or composite.
Define endogenous stain - answer developed or originated from within
the tooth during development, such as trauma, hereditary and infections
Define exogenous stain - answer developed or originated from sources
outside of the tooth. Acquired after irruption.
Characteristics of yellow stains - answer Presence of plaque common on
buckle of maxillary molar's, poor, oral hygiene, and found on all ages
Characteristics of green staining - answer Light or yellowish green
located on cervical 1/3 of maxillary anterior. Comes from retention of
Nasmyths membrane caused by Porral hygiene, one bacteria or fungi are
retained
Characteristics of black or black line stain - answer Find line 1 mm above
the gingival margin, common in children and females, found frequently
and clean males caused by natural tendencies, Chromeo genic bacteria, or
certain drugs containing iron
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