dental materials assignment
Name: _________________________________________ Date: ______________________________
DH 130 Dental Materials Take-Home Quiz
Instructions: Answer each question in detail and type all answers.
Mr. Brown is a 64 year old patient that came into the dental office for his 6 month dental cleaning. While scaling around #3, his crown becomes loose. You call over the dentist to evaluate tooth #3 and it was determined that there was an area of caries on the lingual surface. The dentist would like to cement the crown and bring Mr. Brown back in next week to remove the decay and prepare the tooth for a new crown. He asks you to get the cement and mix it.
1. Name the cement that you would mix? Why would you select that cement? Indicate one specific characteristic of the cement that you selected?
2. Mr. Brown would like you to explain the difference between a PFM crown, an all ceramic crown such as BruxZir® and a high noble metal crown. Indicate the difference.
3. The dentist indicates that the decay on the lingual surface maybe deep and that the patient may need to have RCT. Mr. Brown does not want to have a RCT and a new crown but is thinking about having the tooth extracted and an implant placed. In detail, explain to Mr. Brown the difference between the submerged and non-submerged implant procedure. Indicate why titanium is the material of choice for an implant.
4. If Mr. Brown elects to have #3 removed and an implant placed along with the implant being restored, what type of implant would be used?
5. If Mr. Brown gets the implant, what type of materials should be used to polish his implant when he returns to see you at recall? Also, indicate
three
areas of assessment that you will evaluate to ensure that the implant is stable and healthy.
6. After all, Mr. Brown decides to restore tooth. Indicate the name of the restorative material that the dentist will most likely use to restore #3 for a core build-up.
7. Indicate
three
factors that must be considered and/or evaluated before the dentist can proceed with doing the crown preparation.
8. After restoring #3 the dentist elects to do the crown preparation. What type of margins would be created on #3? What would be the best impression material that would be used to take an impression of the crown prep? What type of tray should be used to take the impression?
9. Ms. Cheeks has worn an occlusal bite guard for many years due to severe attrition. She bites right through the soft material that was used to make her bite guard. Indicate the material that is used to make a hard night guard. Is it a thermoplastic or thermoset material?
10. What are
three
indications for patients who require the use of take home fluoride trays?
a. _____________________________________________________________________
b. ______________________________________________________________________
c. _______________________________________________________________________
11. An 18 year old female patient presents with mild brown fluorosis staining on teeth #10-11. Explain how utilizing enamel Microabrasion can remove the stain. Indicate the ingredients that are used and the mechanism of action.
12. Explain the difference between polishing and finishing?
13. Indicate
two
contradictions for using laser (light activated) tooth whitening systems.
a. _____________________________________________________________________
b. _____________________________________________________________________
14. A 20 year old patient comes to your dental office for an initial exam and cleaning. Her chief complaint is that her anterior teeth have stains caused by tetracycline. Indicate what type of stain resulted from tetracycline use. Indicate at approximately when this condition occurred during development and how the process occurred. What would be the treatment of choice to address this patient’s chief complaint?
15. A patient comes into the dental clinic for a dental cleaning that is missing #19. What are two concerns that you would indicate to patient during Patient Education as to why it is necessary to have #19 replaced?
a. __________________________________________________________________________
b. __________________________________________________________________________
16. You are placing sealants in clinic on teeth #18, 19, 20 30 and 31 explain the role of the primer in placing the sealants.
17. After placing sealants on your patient in clinic it was determined that the occlusion was high on two teeth. What type of bur would you hand the dentist to use in order to adjust the teeth?
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