Exam (elaborations)
DASLE Minnesota--Retake Exam Questions and Answers
- Course
- Institution
DASLE Minnesota--Retake Exam Questions and Answers
[Show more]
Content preview
DASLE Minnesota--Retake ExamQuestions and Answers
Why and where is it necessary to add wax (wax trimming) to an alginate tray? (4)
-Protects tissue from injury and provides comfort
-Extents length of tray
-Adds to palate (pt with high palatal vault)
-Extends borders to aid in obtaining bu muscle attachments
What type of wax is used for wax trimming?
Utility wax
What is the correct operator position when taking MX and MN impressions?
MX: Right handed-11-12. Left handed-12-1
MN: Right handed-7:30-8. Left handed-4:30-5
Why is the patient instructed to lift and extrude their tongue when taking a MN
impression?
Ensures lingual aspect of alveolar process (lingual flange) is defined
What types of trays/trays are used furing alginate impression and why? (2)
Rimlock and/or perforated
-Locks the alginate material into the tray
How is the setting time of alginate lengthened? Shortened?
Lengthened- Using colder water
Shortened- Using warm water
,Why is mouthwash used in an alginate impression? (4)
-Remove food debris
-Help prevent air bubbles
-Cuts the viscosity of saliva
-Helps prevent gagging on MX impression
How many increments of powder are used in a MN impression and how do you
load the tray?
2 scoops, from each lingual side
How many increments of powder are used in a MX impression and how do you
load the tray?
3 scoops, one swipe on the posterior but bring most anterior
What is imbibition?
Uptake of water in an alginate impression. Swells
What is syneresis?
Loss of water in an alginate impression. Shrinks
How is an alginate tray seated?
Posterior to anterior
Which alginate impression is taken first and why?
MN- Less gagging
How should an alginate impression be stored if it cannot be poured up
immediately?
Wrapped in slightly moist paper towel
What is muscle trimming called on an edentulous patient?
Border molding
, How should an impression be removed from the mouth?
With a snap
What is the purpose of taking bite registration/intraocclussal record? (3)
-Record alignment of the teeth
-Relate the MX and MN casts correctly
-Places between the casts during trimming and storage
List materials that can be used to obtain the bite registration: (4)
-Base plate wax
-U shaped wax (bite wafer)
-Polysiloxane paste (gun dispensed)
-ZOE paste
Ingredients in alginate: (5)
-Potassium alginate- Seaweed
-Calcium sulfate- Forms gel
-Trisodium phosphate- Slows reaction
-Zinc oxide
-Potassium titanium fluoride
Structures in MX and MN impressions
Ex:
-Lingual frenum- Both
-Rugae- MX
-Tuberocity- MX
-Retromalr pad- MN
Describe the motion/pressure when performing a mechanical polish
-Short, overlapping, intermittent, wiping and lifting motion (no scrubbing)
-Work from gingiva to occlisal
-Cup flares
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
71498 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now