DENTAL ASSISTANT DEMO
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- Question 1 of 10
1. Question
1 pointsDeciduous teeth are sometimes also known as which of the following?
CorrectIncorrectExplanation:
Milk teeth Deciduous teeth, or milk teeth, are not permanent. These teeth, of which humans have 20, appear in early childhood and are lost at a relatively early age as well. They are replaced by the permanent teeth.
- Question 2 of 10
2. Question
1 pointsWhat is likely to happen if a primary tooth is pulled early?
CorrectIncorrectExplanation:
Permanent tooth comes in crooked Primary teeth hold the space for permanent teeth. Without the primary tooth, the permanent tooth is more likely to grow in crooked.
- Question 3 of 10
3. Question
1 pointsWhich of the following instruments is used to remove decay before restoring a cavity?
CorrectIncorrectExplanation:
Excavator The excavator is used to remove decay before preparing the tooth for restoration. Some dental professionals may also use burs in this process.
- Question 4 of 10
4. Question
1 pointsA cavity that involves three or more surfaces of the tooth is known as which of the following
CorrectIncorrectExplanation:
Complex cavity A cavity which involves three or more tooth surfaces is considered complex. These often require extensive reconstruction.
- Question 5 of 10
5. Question
1 pointsWhere should cotton rolls be placed during topical fluoride application?
CorrectIncorrectExplanation:
Between the arches The cotton rolls should be placed between the arches. Patients should be instructed to bite up and down on the rolls to squeeze excess fluoride out.
- Question 6 of 10
6. Question
1 pointsRetractors are used to do which of the following?
CorrectIncorrectExplanation:
Ensure an unobstructed view of the treatment site by deflecting tissue Retractors help to keep the field of vision clear by deflecting tissue. One of the major roles of the hygienist is retracting tissue for the operator.
- Question 7 of 10
7. Question
1 pointsAn advantage of elastomers over alginate is elastomers:
CorrectIncorrectExplanation:
Elastomer material is more stable and accurate than alginate material. So, elastomers give better impressions than alginate. Elastomeric impressions resist distortion more after setting and are rubber-like and flexible. Also, they do not dry out like alginate impressions.
- Question 8 of 10
8. Question
1 pointsThe crown cementation appointment is scheduled:
CorrectIncorrectExplanation:
Two weeks after the crown preparation appointment is the time to schedule the crown cementation appointment. It is important for the dental assistant to know how long the lab needs to prepare the crown and return it to the dental office so that the proper appointment date can be scheduled.
- Question 9 of 10
9. Question
1 pointsHow long should a patient take to brush his or her teeth?
CorrectIncorrectExplanation:
When evaluating a patient’s oral hygiene, ask how much time is spent brushing teeth. The time should be 2 minutes, but most people only spend a fraction of the time necessary.
- Question 10 of 10
10. Question
1 pointsOn which class of cavity would you expect to use a glass isonomer restorative material?
CorrectIncorrectExplanation:
Glass isonomer restorative materials are used on Class V cavity restorations. They may also be used on primary teeth, as sealants, and on root surfaces.