Edge General chairside practice exam 2023 with complete
solution
The Wedelstaedt chisel is used with which of the following types of motion?
a) pulling
b) downward
c) upward
d) pushing
d) pushing
A wedelstaedt chisel is a slightly curved shanked instrument with a bevel on one side of
the cutting edge. It is used with a pushing motion. It is used to plane enamel and dentin
walls in class III and IV cavity preparations. It may also be used to shape enamel and
dentin walls.
When placing temporary cement, which of the following is recommended?
a) fill the entire cavity with cement
b) place cement only around the external margin of the replacement area
c) place cement only around the internal margin of the replacement area
d) use a large amount of cement to ensure that all areas are covered
c) place cement only around the internal margin of the replacement area
Using too much cement or filling the cavity with cement may inhibit the placement of the
temporary restoration. It also results in unnecessary wasted material and clean up time.
Cement should be placed around the internal margin of the replacement area only.
Which of the following rubber tips would you choose for polishing a restoration?
a) brown
b) white
c) green
d) blue
b) white
Rubber tips come in brown, green, and white. White tips should be used for polishing.
Single use items that are disposable and discarded after one use are known as
a) capital supplies
b) non-expendable supplies
c) expendable supplies
d) non-capital supplies
c) expendable supplies
Expendable supplies are consumable, used daily, and must be replenished. Unlike
expendables, capital supplies include computers, etc.
Which of the following would you use to smooth rough margins of an amalgam
restoration?
a) beavertail burnisher
b) amalgam condenser
,c) diamond bur flame
d) jo-dandy disc
a) beavertail burnisher
The beavertail burnisher can be used to smooth the rough edges of an amalgam
restoration. The football burnisher may also be used.
Which of the following instruments would you NOT place on the instrument tray for a
dental dam set up?
a) t-ball burnisher
b) crown and bridge scissors
c) dental floss
d) universal curette
d) universal curette
A dental dam set up tray should include a dental dam punch, dental dam forceps, dental
dam frame, and dental dam napkin. It should also contain a t-ball burnisher, crown and
bridge scissors, dental floss, a widgets ligature, a clamp, and the stamped dental dam.
A patient who lives in an area with fluoridated drinking water would be advised to do
which of the following when using a brush-on gel?
a) avoid rinsing after the application
b) rinse thoroughly and spit after five minutes
c) use half as much gel as recommended on the package
d) leave the gel on for only 2 minutes
b) rinse thoroughly and rinse after five minutes
Patients who have fluoridated drinking water should be instructed to rinse thoroughly
and spit after 5 minutes of gel application. They should be instructed to avoid
swallowing the gel. Patients whose drinking water is unfluoridated may be encourage to
avoid rinsing and to swallow gel so it provides dietary fluoride.
Dental waxes have different forms, compositions, and usage. Low-fusing impression
wax is used in
a) preparing patterns
b) making occlusal rims
c) holding broken denture pieces together
d) relining and rebasing dentures
d) relining and rebasing dentures
When pressure is applied, low-fusing impression wax flows somewhat into the mouth to
provide an impression. It is often used in relining and rebasing dentures.
Patients should be instructed to use how much fluoride rinse at each rinsing?
a) 10 mL
b) 15 mL
c) 30 mL
d) 5 mL
a) 10 mL
,The patient should be instructed to use 10 mL of rinsde at each rinsing. Too little may
not effectively reach all teeth while too much may increase the risk of swallowing.
A patient is unconscious with an airway obstruction. What should be done if it cannot be
removed with finger scoop and rescue breathing is ineffective?
a) CPR
b) Heimlich maneuver
c) administer prophylactic
d) chest thrust maneuver
d) chest thrust maneuver
A chest thrust maneuver uses upward thrusts at the abdomen. This is done three times
in a sequence. It is used to unblock an airway when patient is unconscious.
For which of the following procedures would you choose a finishing bur?
a) reducing the alveolar bone
b) reducing the lingual aspect of anterior teeth
c) trimming a metal restoration
d) opening a cavity preparation
c) trimming a metal restoration
Finishing burs can be used to smooth, trim, and finish metal restorations. They may also
be used on natural tooth colored material restorations.
Which of the following instruments would you choose to trim excess filling material from
the interproximal surfaces?
a) frahm carver
b) T-3 carver
c) gold finishing knife
d) tanner carver
c) gold finishing knife
The gold finishing knife is used to trim excess filling material in interproximal surfaces. It
may be used with amalgam and composite materials.
A dental instrument which is used to prepare the retentive area by smoothing internal
cavity walls and sharpening internal angles is known as which of the following?
a) hoe
b) chisel
c) hatchet
d) excavator
c) hatchet
Hatchets are used to help prepare cavities for restoration. They are used to groove
enamel and dentin, smooth internal cavity walls, and sharpen internal angles.
If you want to decrease the working time of a gypsum product, which of the following is
an appropriate strategy?
a) decrease the water temperature
b) increase the water temperature
, c) stir the product vigorously
d) shake the product gently
b) increase the water temperature
Cooler water will prolong working time for gypsum products. To decrease working time,
increase water temperature.
Which cement should not be used with composite restorations?
a) zinc phosphate
b) resin-modified glass ionomer
c) calcium hydroxide
d) composite
a) zinc phosphate
Zinc phosphate should not be used with composite restorations. It reacts with composite
restoration materials. Moreover, it only adheres to dry surfaces.
For which of the following procedures would you choose a wheel?
a) trimming excess filling material from a preparation
b) forming the retention in a cavity preparation
c) extending cavity preparation
d) forming shoulders of a crown preparation
b) forming the retention in a cavity preparation
The wheel is used to form the retention in cavity preparations. The wheel comes in only
one size, 14.
When a patient is suffering from a hyperglycemic episode, the dental worker should
a) call for medical assistance and rehydrate with IV fluids
b) call for medical assistance and administer oral glucose
c) monitor patient and administer Sambuterol
d) call for medical assistance and administer insulin
a) call for medical assistance and rehydrate with IV fluids
Only in a hypoglycemic episode should glucose and insulin be administered.
For which of the following procedures would you choose a file?
a) to remove necrotic tissue
b) to pack amalgam into a restoration
c) to smooth the top of a restoration
d) to smooth the external walls of a cavity
a) to remove necrotic tissue.
Files are a class of tools used to remove necrotic tissue during endodontic procedures.
They come in a variety of types.
Which of the following would you choose to open a tooth for endodontic treatment?
a) round bur
b) inverted cone bur
c) pear shaped bur
d) tapered bur
solution
The Wedelstaedt chisel is used with which of the following types of motion?
a) pulling
b) downward
c) upward
d) pushing
d) pushing
A wedelstaedt chisel is a slightly curved shanked instrument with a bevel on one side of
the cutting edge. It is used with a pushing motion. It is used to plane enamel and dentin
walls in class III and IV cavity preparations. It may also be used to shape enamel and
dentin walls.
When placing temporary cement, which of the following is recommended?
a) fill the entire cavity with cement
b) place cement only around the external margin of the replacement area
c) place cement only around the internal margin of the replacement area
d) use a large amount of cement to ensure that all areas are covered
c) place cement only around the internal margin of the replacement area
Using too much cement or filling the cavity with cement may inhibit the placement of the
temporary restoration. It also results in unnecessary wasted material and clean up time.
Cement should be placed around the internal margin of the replacement area only.
Which of the following rubber tips would you choose for polishing a restoration?
a) brown
b) white
c) green
d) blue
b) white
Rubber tips come in brown, green, and white. White tips should be used for polishing.
Single use items that are disposable and discarded after one use are known as
a) capital supplies
b) non-expendable supplies
c) expendable supplies
d) non-capital supplies
c) expendable supplies
Expendable supplies are consumable, used daily, and must be replenished. Unlike
expendables, capital supplies include computers, etc.
Which of the following would you use to smooth rough margins of an amalgam
restoration?
a) beavertail burnisher
b) amalgam condenser
,c) diamond bur flame
d) jo-dandy disc
a) beavertail burnisher
The beavertail burnisher can be used to smooth the rough edges of an amalgam
restoration. The football burnisher may also be used.
Which of the following instruments would you NOT place on the instrument tray for a
dental dam set up?
a) t-ball burnisher
b) crown and bridge scissors
c) dental floss
d) universal curette
d) universal curette
A dental dam set up tray should include a dental dam punch, dental dam forceps, dental
dam frame, and dental dam napkin. It should also contain a t-ball burnisher, crown and
bridge scissors, dental floss, a widgets ligature, a clamp, and the stamped dental dam.
A patient who lives in an area with fluoridated drinking water would be advised to do
which of the following when using a brush-on gel?
a) avoid rinsing after the application
b) rinse thoroughly and spit after five minutes
c) use half as much gel as recommended on the package
d) leave the gel on for only 2 minutes
b) rinse thoroughly and rinse after five minutes
Patients who have fluoridated drinking water should be instructed to rinse thoroughly
and spit after 5 minutes of gel application. They should be instructed to avoid
swallowing the gel. Patients whose drinking water is unfluoridated may be encourage to
avoid rinsing and to swallow gel so it provides dietary fluoride.
Dental waxes have different forms, compositions, and usage. Low-fusing impression
wax is used in
a) preparing patterns
b) making occlusal rims
c) holding broken denture pieces together
d) relining and rebasing dentures
d) relining and rebasing dentures
When pressure is applied, low-fusing impression wax flows somewhat into the mouth to
provide an impression. It is often used in relining and rebasing dentures.
Patients should be instructed to use how much fluoride rinse at each rinsing?
a) 10 mL
b) 15 mL
c) 30 mL
d) 5 mL
a) 10 mL
,The patient should be instructed to use 10 mL of rinsde at each rinsing. Too little may
not effectively reach all teeth while too much may increase the risk of swallowing.
A patient is unconscious with an airway obstruction. What should be done if it cannot be
removed with finger scoop and rescue breathing is ineffective?
a) CPR
b) Heimlich maneuver
c) administer prophylactic
d) chest thrust maneuver
d) chest thrust maneuver
A chest thrust maneuver uses upward thrusts at the abdomen. This is done three times
in a sequence. It is used to unblock an airway when patient is unconscious.
For which of the following procedures would you choose a finishing bur?
a) reducing the alveolar bone
b) reducing the lingual aspect of anterior teeth
c) trimming a metal restoration
d) opening a cavity preparation
c) trimming a metal restoration
Finishing burs can be used to smooth, trim, and finish metal restorations. They may also
be used on natural tooth colored material restorations.
Which of the following instruments would you choose to trim excess filling material from
the interproximal surfaces?
a) frahm carver
b) T-3 carver
c) gold finishing knife
d) tanner carver
c) gold finishing knife
The gold finishing knife is used to trim excess filling material in interproximal surfaces. It
may be used with amalgam and composite materials.
A dental instrument which is used to prepare the retentive area by smoothing internal
cavity walls and sharpening internal angles is known as which of the following?
a) hoe
b) chisel
c) hatchet
d) excavator
c) hatchet
Hatchets are used to help prepare cavities for restoration. They are used to groove
enamel and dentin, smooth internal cavity walls, and sharpen internal angles.
If you want to decrease the working time of a gypsum product, which of the following is
an appropriate strategy?
a) decrease the water temperature
b) increase the water temperature
, c) stir the product vigorously
d) shake the product gently
b) increase the water temperature
Cooler water will prolong working time for gypsum products. To decrease working time,
increase water temperature.
Which cement should not be used with composite restorations?
a) zinc phosphate
b) resin-modified glass ionomer
c) calcium hydroxide
d) composite
a) zinc phosphate
Zinc phosphate should not be used with composite restorations. It reacts with composite
restoration materials. Moreover, it only adheres to dry surfaces.
For which of the following procedures would you choose a wheel?
a) trimming excess filling material from a preparation
b) forming the retention in a cavity preparation
c) extending cavity preparation
d) forming shoulders of a crown preparation
b) forming the retention in a cavity preparation
The wheel is used to form the retention in cavity preparations. The wheel comes in only
one size, 14.
When a patient is suffering from a hyperglycemic episode, the dental worker should
a) call for medical assistance and rehydrate with IV fluids
b) call for medical assistance and administer oral glucose
c) monitor patient and administer Sambuterol
d) call for medical assistance and administer insulin
a) call for medical assistance and rehydrate with IV fluids
Only in a hypoglycemic episode should glucose and insulin be administered.
For which of the following procedures would you choose a file?
a) to remove necrotic tissue
b) to pack amalgam into a restoration
c) to smooth the top of a restoration
d) to smooth the external walls of a cavity
a) to remove necrotic tissue.
Files are a class of tools used to remove necrotic tissue during endodontic procedures.
They come in a variety of types.
Which of the following would you choose to open a tooth for endodontic treatment?
a) round bur
b) inverted cone bur
c) pear shaped bur
d) tapered bur
