ADAA Actual Exam Questions with 100% Correct
Answers
Which of the following are proper techniques to use when mixing zinc phosphate
cement? 1. mix on a cool glass slab 2. add powder in 4-6 increments 3. mix over a wide
area of the mixing slab 4. mix time is 1-2 minutes - ANSWER 1, 2, and 3 are correct
To decrease (shorten) the setting time of gypsum products, which of the following
methods can be used? 1. increase water temperature 2. add table sugar 3. increase
spatulation time or rate 4. increase the amount of water - ANSWER 1 and 3 are correct
A patient has just had tooth #32 surgically extracted. The dental assistant should
instruct the patient to 1. apply direct pressure to the area 2. begin rinsing with warm
salt water immediately 3. apply an ice pack to the face as soon as possible 4. drink only
through a straw - ANSWER 1 and 3 are correct
Where should the topical anesthetic be placed if the mandibular right first molar will be
treated? - ANSWER on the buccal mucosa distal to the mandibular right first molar
Due to HIPAA privacy standards the patient must sign a statement acknowledging
receipt of the practice's written privacy policy. How long is this acknowledgement kept
in the patient's record? - ANSWER minimum of 6 years
Which technique would allow for the proper amount of time necessary for the
placement of a dental cement in a crown? - ANSWER follow manufacturers instructions
A lack of saliva may result in which of the following? 1. higher acid levels in the oral
cavity 2. more remineralization of enamel 3. higher caries rate 4. increased clearance of
food debris from the oral cavity - ANSWER only 4 is correct
,a gingivectomy - ANSWER surgical removal of diseased gingival tissue
Which instruments are used to remove the bulk of the pulp tissue during root canal
therapy? - ANSWER barbed broaches
Which of the following would be indications for the application of pit and fissure
sealants? 1. anterior teeth with no restorations 2. posterior teeth with deep carious
lesions 3. all primary teeth 4. posterior teeth with deep pits and fissures - ANSWER 2
and 4 are correct
What is the value of dental materials containing Amorphous Calcium Phosphate (ACP)? -
ANSWER they promote the remineralization of damaged tooth structure
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 -
ANSWER 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 - ANSWER 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? - ANSWER 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 -
ANSWER only 4 is correct
, Two wedges would be required for which cavity preparation? - ANSWER MOD
A cavity preparation that involves the mesial surface of tooth #7 is classified as a -
ANSWER class III cavity preparation
Which type of dentin forms throughout the life of a tooth, resulting in a narrowing of
the pulp chamber? - ANSWER reparative dentin
Which tooth is represented by the letter E? - ANSWER primary maxillary right central
incisor
Which statement best describes the formation of caries? - ANSWER 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 - ANSWER 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 - ANSWER
only 4 is correct
What would be the correct order of use for the following instruments during an
amalgam restoration? - ANSWER excavator, condenser, burnisher, cleoid-discoid
Which orthodontic appliances generally necessitate the placement of orthodontic
separators prior to fitting? - ANSWER orthodontic bands
Answers
Which of the following are proper techniques to use when mixing zinc phosphate
cement? 1. mix on a cool glass slab 2. add powder in 4-6 increments 3. mix over a wide
area of the mixing slab 4. mix time is 1-2 minutes - ANSWER 1, 2, and 3 are correct
To decrease (shorten) the setting time of gypsum products, which of the following
methods can be used? 1. increase water temperature 2. add table sugar 3. increase
spatulation time or rate 4. increase the amount of water - ANSWER 1 and 3 are correct
A patient has just had tooth #32 surgically extracted. The dental assistant should
instruct the patient to 1. apply direct pressure to the area 2. begin rinsing with warm
salt water immediately 3. apply an ice pack to the face as soon as possible 4. drink only
through a straw - ANSWER 1 and 3 are correct
Where should the topical anesthetic be placed if the mandibular right first molar will be
treated? - ANSWER on the buccal mucosa distal to the mandibular right first molar
Due to HIPAA privacy standards the patient must sign a statement acknowledging
receipt of the practice's written privacy policy. How long is this acknowledgement kept
in the patient's record? - ANSWER minimum of 6 years
Which technique would allow for the proper amount of time necessary for the
placement of a dental cement in a crown? - ANSWER follow manufacturers instructions
A lack of saliva may result in which of the following? 1. higher acid levels in the oral
cavity 2. more remineralization of enamel 3. higher caries rate 4. increased clearance of
food debris from the oral cavity - ANSWER only 4 is correct
,a gingivectomy - ANSWER surgical removal of diseased gingival tissue
Which instruments are used to remove the bulk of the pulp tissue during root canal
therapy? - ANSWER barbed broaches
Which of the following would be indications for the application of pit and fissure
sealants? 1. anterior teeth with no restorations 2. posterior teeth with deep carious
lesions 3. all primary teeth 4. posterior teeth with deep pits and fissures - ANSWER 2
and 4 are correct
What is the value of dental materials containing Amorphous Calcium Phosphate (ACP)? -
ANSWER they promote the remineralization of damaged tooth structure
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 -
ANSWER 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 - ANSWER 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? - ANSWER 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 -
ANSWER only 4 is correct
, Two wedges would be required for which cavity preparation? - ANSWER MOD
A cavity preparation that involves the mesial surface of tooth #7 is classified as a -
ANSWER class III cavity preparation
Which type of dentin forms throughout the life of a tooth, resulting in a narrowing of
the pulp chamber? - ANSWER reparative dentin
Which tooth is represented by the letter E? - ANSWER primary maxillary right central
incisor
Which statement best describes the formation of caries? - ANSWER 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 - ANSWER 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 - ANSWER
only 4 is correct
What would be the correct order of use for the following instruments during an
amalgam restoration? - ANSWER excavator, condenser, burnisher, cleoid-discoid
Which orthodontic appliances generally necessitate the placement of orthodontic
separators prior to fitting? - ANSWER orthodontic bands
