EFDA Dental Assisting Q&A [Multiple
Choice] practice exam- Verified Answers
Graded A+
Basic remediable intraoral tasks and/or procedures include all of the following except:
1. impressions for diagnostic models or mouthguard
2. suture removal
3. placement of gingival retraction cord prior to...
EFDA Dental Assisting Q&A [Multiple
Choice] practice exam- Verified Answers
Graded A+
Basic remediable intraoral tasks and/or procedures include all of the following except:
1. impressions for diagnostic models or mouthguard
2. suture removal
3. placement of gingival retraction cord prior to direction impression
4. placement of surgical dressings 3. placement of gingival retraction cord prior to direction
impression
What is the primary purpose of a dental sealant?
a. Prevent cavities by sealing pits and fissures
b. Strengthen tooth enamel
c. Treat dental caries
d. Polish the tooth surface
Which material is commonly used for dental restorations?
a. Gold
b. Porcelain
c. Composite resin
d. Zirconia
1
,When placing a rubber dam, which tool is used to create holes in the dam for teeth?
a. Dam punch
b. Dam forceps
c. Matrix band
d. Dental clamp
Which fluoride treatment is most effective for caries prevention in children?
a. Fluoride varnish
b. Fluoride mouth rinse
c. Fluoride gel
d. Fluoride tablets
A dental assistant must wear gloves, masks, and eyewear for protection against:
a. Cross-infection
b. Radiation exposure
c. Allergic reactions
d. Fluoride toxicity
What is the primary reason for taking a bitewing radiograph?
a. Evaluate the roots of the teeth
b. Detect bone loss
c. Identify interproximal decay
d. Measure tooth length
2
, What is the standard method for disinfecting dental instruments after use?
a. Sterilization using autoclave
b. Chemical disinfection
c. Soap and water
d. UV light exposure
Which hand instrument is used to shape amalgam during restorative procedures?
a. Spoon excavator
b. Amalgam condenser
c. Burnisher
d. Scaler
What is a vital step in composite bonding procedures?
a. Placing a dental liner
b. Using a rubber dam
c. Applying etchant to the enamel and dentin
d. Placing a temporary filling
Which instrument is primarily used for removing soft caries from a tooth?
a. Periodontal probe
b. Dental explorer
c. Spoon excavator
3
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