Cumulative Exam Questions and
Answers Latest Version Already Passed
What is the purpose of a dental sealant?
✔✔To prevent cavities by covering the grooves of teeth with a protective layer
How does a dental assistant help in managing patient anxiety during treatment?
✔✔By explaining procedures, offering reassurance, and creating a calm environment
What is the name of the instrument used to examine the mouth for decay and defects?
✔✔Explorer
What is the procedure for sterilizing dental instruments?
✔✔Placing them in an autoclave for proper sterilization
What should a dental assistant do if a patient has a severe allergic reaction during a procedure?
✔✔Immediately alert the dentist, provide emergency care, and assist in managing the reaction
1
,How does a dental assistant prepare a tooth for a filling?
✔✔By cleaning the area, isolating the tooth, and placing a matrix band if necessary
What is the term for the process of reshaping a tooth by removing a small amount of enamel?
✔✔Tooth recontouring
What are the primary duties of a dental assistant during an extraction?
✔✔Assisting with suction, handing instruments, and helping manage the patient’s comfort
What should a dental assistant do when assisting with a root canal procedure?
✔✔Hand instruments, maintain the sterile field, and assist with suction during the procedure
How can a dental assistant assist with taking radiographs?
✔✔Positioning the X-ray film or sensor and ensuring the patient is comfortable
What is the purpose of fluoride treatments in dental care?
✔✔To strengthen tooth enamel and reduce the risk of cavities
2
,How is a dental dam used in a dental procedure?
✔✔To isolate the tooth being treated and keep the area dry
What is the role of a dental assistant during a restorative procedure?
✔✔Preparing materials, handing instruments to the dentist, and maintaining the operating field
What is the correct way to dispose of contaminated sharp instruments?
✔✔Placing them in a puncture-resistant sharps container
How should a dental assistant respond to a patient’s request for an alternative treatment option?
✔✔Listen to the patient's concerns, inform the dentist, and help communicate treatment options
What is the purpose of an ultrasonic scaler in dental hygiene?
✔✔To remove plaque, tartar, and bacteria from the surface of teeth
What should a dental assistant do before applying a fluoride varnish to a patient’s teeth?
✔✔Clean and dry the teeth thoroughly before application
3
, What is the role of a dental assistant when assisting a patient with a dental emergency?
✔✔To provide immediate care, inform the dentist, and help stabilize the patient until further
treatment
How should a dental assistant assist in mixing dental materials?
✔✔By accurately following the prescribed ratio of components and mixing to the correct
consistency
What is the function of a matrix band in restorative dentistry?
✔✔To hold the dental material in place while it hardens and restores the shape of the tooth
How is cross-contamination prevented in a dental office?
✔✔By using gloves, disinfecting surfaces, and sterilizing instruments between patients
What is the role of the dental assistant during a prophylaxis procedure?
✔✔To assist with cleaning the patient’s teeth and applying fluoride treatments
How should a dental assistant prepare a patient for a filling procedure?
4