Graded A+
Which of the following cements has an acidic quality that may be irritating to the pulp? 1. zinc
oxide-eugenol 2. glass ionomer 3. zinc polycarboxylate 4. zinc phosphate only 4 is correct
Calcium hydroxide is used for which of the following purposes? 1. as an insulating base 2. as a
permanent luting agent 3. as a temporary restoration 4. to promote the formation of secondary
dentin only 4 is correct
Where should the assistant's eye level be in relation to the dentist's eye level when they are both
seated chairside? 4-6 inches above the dentist
How does the use of high-volume evacuation increase infection control? 1. it increases visibility
2. it increases the patient's need to rinse 3. it decreases the need for the use of a dental dam 4. it
decreases the amount of aerosol coming from the patient's mouth only 4 is correct
Two wedges would be required for which cavity preparation? MOD
,A cavity preparation that involves the mesial surface of tooth #7 is classified as a class III
cavity preparation
Which type of dentin forms throughout the life of a tooth, resulting in a narrowing of the pulp
chamber? reparative dentin
Which tooth is represented by the letter E? primary maxillary right central incisor
Which statement best describes the formation of caries? bacterial plaque + sugar = acid,
acid + susceptible tooth = caries
Why is the use of an ultrasonic condenser discouraged for the condensation of amalgam? 1. it
might fracture the amalgam 2. it decreases the setting time 3. it weakens the set amalgam 4. it
increases the evaporation of the mercury, posing a health risk to dental personnel all are
correct
Which of the following cements can be used as a permanent restoration? 1 zinc polycarboxylate
2. zinc oxide-eugenol 3. calcium hydroxide 4. glass ionomer only 4 is correct
, What would be the correct order of use for the following instruments during an amalgam
restoration? excavator, condenser, burnisher, cleoid-discoid
Which orthodontic appliances generally necessitate the placement of orthodontic separators prior
to fitting? orthodontic bands
Which type of fluoride should not be used for patients with porcelain restorations? all the
above
During an amalgam restoration, which step would follow the removal of the dental dam?
check patients occlusion
The goal of a cavity preparation is all the above
What first aid instruction should the dental assistant provide to a patient who calls the office with
an avulsed tooth? all the above
QID 4 times a day