QUESTIONS WITH SOLUTION GRADED A+
✔✔A probe score of 4 - ✔✔The colored area of the probe completely disappears,
indicating probing depth greater than 5.5 mm.
✔✔Class 3 mobility - ✔✔Tooth can be moved in a buccolingual direction and is
depressible in socket.
✔✔Class 1 mobility - ✔✔Tooth can be moved up to 1 mm in any direction.
✔✔correctly describes the procedure for performing a full mouth rinse when assisting a
right-handed dentist? - ✔✔Spray from right to left keeping the suction tip in the left
posterior vestibule
✔✔When portable equipment such as curing lights and nitrous oxide machines are
used, in which zone of operation are they placed? - ✔✔Static Zone
✔✔When retrieving an instrument from the dentist, the instrument should be placed -
✔✔back on the tray setup in its proper order of use
✔✔Which classification of motion includes movement of the fingers, wrist, and elbow? -
✔✔Class 3 ergonomics
✔✔The correct sequence of dental instruments for a Class I amalgam restoration tray,
based upon order of use is - ✔✔excavator, condenser, burnisher, cleoid-discoid
✔✔Whestatic zonetient's personal items should be placed - ✔✔in a safe place away
from the procedure.
✔✔When transferring instruments using a single-handed technique, the instrument to
be transferred from the tray to the transfer zone should be positioned - ✔✔parallel to the
instrument in the dentist's hand
✔✔When seating and positioning the patient for dental treatment, the dental assistant
should apply personal protective equipment - ✔✔after applying the bib and positioning
the chair and dental light
✔✔When retrieving an instrument from the right-handed dentist using the single-handed
transfer technique the dental assistant - ✔✔uses the last two fingers of the left hand
then tucks it toward the palm.
,✔✔When working with a right-handed dentist, the 12 to 2 o'clock position is known as
the - ✔✔static zone
✔✔When preparing the patient for a basic oral exam, how is the patient positioned in
the dental chair - ✔✔Supine
✔✔the correct manner for passing an instrument to a right-handed dentist using the
two-handed instrument transfer technique? Pass the instrument with the - ✔✔right
hand, picking it up by the working end.
✔✔What number hole size is selected for the keypunch opening of the dental dam? -
✔✔5
✔✔The correct sequence of items for a Class III composite restoration tray, based upon
order of use is - ✔✔shade guide, Mylar matrix strip, bonding agent, abrasive strips
✔✔How would the LDA pass the Ronguer - ✔✔Palm grasp
✔✔When transferring instruments with hinges such as surgical forceps and scissors,
the assistant should - ✔✔grasp the hinges and direct the handles to the dentist's palm
✔✔When picking up an instrument to pass using a single-handed technique, the dental
assistant grasps the - ✔✔instrument on the end opposite the working end.
✔✔When properly positioned on the stool, the assistant sits - ✔✔four to six inches
above the operator
✔✔when attaching the high volume evacuator (HVE) tip to the suction unit handle? -
✔✔Push the tip through a protective barrier placed to cover the handle.
✔✔What does the dental assistant do with his/her right hand when assisting a right-
handed dentist during a procedure? - ✔✔Hold the suction
✔✔Which extraction forceps number would be found on a tray set up for the extraction
of tooth number 25? - ✔✔151 forcep
✔✔An excavator, hoe, chisel, hatchet and gingival margin trimmer are examples of -
✔✔An excavator, hoe, chisel, hatchet and gingival margin trimmer are examples of
✔✔What type of orthodontics is practiced when using a fixed or removable appliance
that is applied to a crossbite? - ✔✔interceptive
, ✔✔Which of the following instruments would be found on the dental implant tray setup -
✔✔Periosteal elevator
✔✔Which of the following would be included in the setup for the cementation of an
orthodontic band? - ✔✔Scaler
✔✔Prior to placing a dental dam on a patient, the provider should - ✔✔review the
medical history.
✔✔What local anesthetic solution would have the longest duration (half-life)? -
✔✔Mepivacaine HCl 1:20,000
✔✔The use of vasoconstrictors in local anesthesia is CONTRAINDICATED for patients
with a history of - ✔✔unstable angina
✔✔what would be included in the tray setup for a sealant application? - ✔✔Floss
✔✔Is an adverse effect of peroxide-based tooth whitening procedures - ✔✔Tissue
irritation
✔✔The presence of which of the following is an indication for selective coronal polishing
- ✔✔Stained area
✔✔This should be done FIRST if an adult patient does not have a pulse? - ✔✔Call for
emergency assistance
✔✔The tray setup for the treatment of alveolitis would include - ✔✔iodoform gauze
✔✔The primary cause of failure of pit and fissure etched surfaces is - ✔✔Moisture
contamination
✔✔Local anesthesia containing lidocaine HCl with epinephrine 1:50,000 lasts
approximately how many minutes - ✔✔60 minutes
✔✔what would be included in the setup for an in-office bleaching procedure? - ✔✔High-
powered light
✔✔A correctly fitting impression tray has sufficient depth to leave a minimum
occlusal/incisal clearance of - ✔✔2.0 MM
✔✔To prevent alveolitis after a tooth extraction, the patient should be instructed to -
✔✔avoid drinking through a straw