Dental Materials
Anatomy
Chairside Dentistry
Infection Control
Radiography
100
Which agency enforces regulations to protect the safety of dental employees from hazardous materials in the dental office?
OSHA
100
What radiolucent landmark can you identify on the dental x-ray?
Lingual foramen
100
What type of vision is involved when the mouth mirror is used to view the lingual side of the maxillary anterior teeth?
Indirect
100
Which type of gloves does the CDC recommend for surgical procedures?
Sterile
100
Which is the method used to prevent cross-contamination during use of a digital sensor?
Barrier technique and disinfection
200
Which is the permanent thermoplastic material used to obturate the pulpal canal during root canal therapy?
Gutta-percha
200
To what radiopaque landmark is the arrow pointing?
Zygomatic process
200
How should a properly positioned dental assistant be seated in relation to the dentist?
4-6 inches above the dentist
200
When should sharps container be replaced?
When the contents reach the fill line on the container
200
What is the maximum permissible dose (MPD) for occupationally exposed workers in Sv/year?
0.05 Sv/year
300
Which impression material should be selected to take an impression on a patient for a diagnostic model?
Alginate
300
Which is the anatomic landmark located in the mandibular premolar area that can be mistaken for a periapical pathology?
Mental foramen
300
If a left-handed operator is preparing tooth #14 for a crown, where does the dental assistant place the bevel of the HVE?
Parallel to the lingual surface of the tooth being prepared
300
The water quality standard for dental treatment water, as established by the CDC, is _____ CFU/ml
500 CFU/ml
300
In which two lengths are PIDs typically available?
8 and 16 inches
400
A condition called ________ will result if an alginate impression absorbs additional water by being stored in water or in a very wet paper towel.
Imbibition
400
What landmark is indicated by the arrows?
Coronoid process
400
The type of anesthesia achieved by injecting the anesthetic solution directly into the tissues at the site of the dental procedure is known as ________________
Infiltration anesthesia
400
How much time should a surgical hand scrub take the dental assistant to perform?
2-6 minutes
400
In the paralleling technique, the central ray is at a _____ degree angle to the receptor
90
500
Which dental cement is mixed on a cool glass slab?
Zinc phosphate
500
The hamular process is observed on intraoral films when PA's of the ______ ________ area are taken
Maxillary molar
500
What is a hemisection?
Surgical procedure where removal of the root and crown is performed by cutting through each lengthwise.
500
The appropriate parameters for unsaturated chemical vapor sterilization of packaged items are ___ minutes at ____ °F
20 minutes at 270°F
500
What causes cellular damage from x-radiation?
Ionization