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DASLE MN EXAM QUESTIONS AND ANSWERS – UPDATED 2024
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DASLE MN EXAM QUESTIONS AND ANSWERS – UPDATED 2024 What system has a tightening wrench to tighten and loosen the band? - Answer-Automatrix What is the purpose of a wedge? How many do you need for an MOD restoration? - Answer-To contour and hold the band securely, 2 wedges auto matrix is uniq...

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  • October 16, 2024
  • 48
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • dasle mn exam questions and answers updated 2024

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EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024




DASLE MN EXAM QUESTIONS AND
ANSWERS – UPDATED 2024

What system has a tightening wrench to tighten and loosen the band? - Answer✔✔-Automatrix


What is the purpose of a wedge? How many do you need for an MOD restoration? -

Answer✔✔-To contour and hold the band securely, 2 wedges


auto matrix is unique in that it has a wrench that does what? - Answer✔✔-has no retainer to

hold the band in place. the tightening wrench is inserted into the coil and is turned clockwise to

tighten the band


What occurs if the wedge is not place properly? - Answer✔✔-Overhang or cupping


Class III & IV composites use what type of matrix system? - Answer✔✔-Celluloid strip "Mylar"


wedges function is to? - Answer✔✔-insert into the lingual embrasure to hold the band firmly

against the gingival margin of the prep.


for posterior restoration, where is the wedge inserted? - Answer✔✔-inserted on the lingual side


what is used to insert the wedge? - Answer✔✔-110 howe pliers


The universal band when placed should extend _____ mm above the ________ surface? -

Answer✔✔-1 ½ to 2 mm above the occlusal surface


Page 1/48

,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


what is T-band made from? - Answer✔✔-stainless steel or copper


what is the universal retainer (tofflemire retainer) - Answer✔✔-a mechanical device that holds

the matrix band snugly in position. it's designed for class II amalgam restoration and

intermediate. It's positioned from the buccal surface of the tooth being restored


Explain the rule for posterior teeth isolation. - Answer✔✔-Isolate 1 to 2 teeth distal to the tooth

being treated (working tooth), and isolate 3 to 4 teeth mesial or 6 to 8 teeth for better stability


Explain the rule for anterior teeth isolation. What is the exception to the rule? - Answer✔✔-

Isolate canine to canine, clamp may not be needed, ligate between canine and 1st premolar


Anterior/cervical clamp may be used for Class V, endo tooth or premolar clamps may be used


The bow of the dental dam clamp is placed towards the _____ and the four points of the clamp

are resting _______________? - Answer✔✔-The distal and below the height of contour


Which side of the tooth is the clamp placed on first? - Answer✔✔-Lingual, this allows for a

fulcrum to place the clamp


List items that can be used to invert dental dam. - Answer✔✔-Air, Plastic instrument (blunt

instrument), black spoon or beavertail burnisher, Waxed floss


the bow of the dental dam clam is placed towards the _____ and the four points of the clamp

are resting _______? - Answer✔✔-towards the distal and the four points of the clamp are

resting below the height of contour




Page 2/48

,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


Which side of the tooth is the clamp placed on first? - Answer✔✔-Lingual, this allows for a

fulcrum to place the clamp


List items that can be used to invert dental dam. - Answer✔✔-Air, Plastic instrument (blunt

instrument) black spoon or, beavertail burnisher, Waxed floss


List the hole punch numbers for each type of tooth: - Answer✔✔-5 - Anchor Tooth (clamped

tooth) or keyhole punch #5 (double punched if using a winged clamp)


4 - MX & MN molars


3 - MX & MN canines and premolars


2 - Maxillary anterior centrals & laterals


1 - Mandibular anterior centrals & laterals


List the steps for removal of the dental dam. - Answer✔✔-Remove opposite ligature/anchor

(Wedjet or floss)


Cut the dam septum on the facial side


Remove the clamp


Remove dam and frame


Check for pieces


Floss


Massage tissue


Page 3/48

, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


List the uses/advantages of using dental dam. - Answer✔✔-Better patient management and

protection from debris, materials and liquids


Controls moisture


Decreases operator time


Effective barrier control for infection control


Used for RCT, sealants, restorations, whitening, not used for oral surgery


Why is a dental dam napkin used? - Answer✔✔-Absorbs moisture, Latex allergies or reduce

latex sensitivity, Patient comfort


Which clamp is used for a class V restoration? - Answer✔✔-Cervical clamp (butterfly) 9, 212,

214 etc.


Which dental frame is placed under the dam material? - Answer✔✔-Plastic U-shaped frame due

to being radiolucent


Which dental frame is placed on the outside of the dam material? - Answer✔✔-Youngs U-

shaped metal frame


Otsby plastic round frame


What happens if the holes are punched too close together? - Answer✔✔-the dam may tear and

stretch. stretched holes may leave the gingiva exposed and may cause leakage




Page 4/48

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