Assisting exam with answers
A panoramic film is a good substitution for periapicals and bite-wings. - CORRECT
ANSWERS ✔✔False
'F' speed film requires a shorter exposure time than 'D' speed film. - CORRECT
ANSWERS ✔✔True
When mounting film in a film holder, the dot should be concave so that the patient's
right is on the dental assistant's right. - CORRECT ANSWERS ✔✔False
Pumice should be used to polish orthodontic appliances, gold, acrylic, and porcelain
crowns. - CORRECT ANSWERS ✔✔False
It is okay to reuse rubber polishing cups if they are soaked in glutaraldehyde. -
CORRECT ANSWERS ✔✔False
Floss should be used when cleaning orthodontic appliances. - CORRECT ANSWERS
✔✔False
Patient should be instructed NOT to rinse, eat, drink, or smoke for 30 minutes after a
fluoride treatment. - CORRECT ANSWERS ✔✔True
Topical fluoride is only for children. - CORRECT ANSWERS ✔✔False
, You should NOT use the air-powder polish method on patients with sodium-
restricted diets, history of high blood pressure, respiratory illnesses, cosmetic
restorations, gold restorations, and persons with certain infectious diseases such as
AIDS. - CORRECT ANSWERS ✔✔True
To reduce the presence of bacteria in the aerosols generated by polishing, the use of a
pre-procedural mouth rinse is beneficial. - CORRECT ANSWERS ✔✔True
A pre-procedural mouth rinse is used to remove stains from teeth. - CORRECT
ANSWERS ✔✔False
During coronal polishing, your handpiece should be held in a pen grasp. - CORRECT
ANSWERS ✔✔True
During coronal polishing, you should refill your prophy cup every two to three teeth.
- CORRECT ANSWERS ✔✔True
A fulcrum is used to stabilize an instrument in use. - CORRECT ANSWERS ✔✔True
A high whine or whistle is usually the sound heard if the handpiece is running too
fast. - CORRECT ANSWERS ✔✔True
Selective polishing is defined as polishing only specific, selected teeth or selected
patients. - CORRECT ANSWERS ✔✔True
A patient with recession or receding gums is NOT a candidate for selective polishing.
- CORRECT ANSWERS ✔✔False