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MDA CHAPTER FINAL MOD F UNIT 1
Terms in this set (64)
up and toward
b. up and away from
c. down and toward
d. down and away
The lingual surfaces of the maxillary right quadrant are polished with the patient's head positioned _________the operator.
a. Dentinal hypersensitivity during and after the appointment
b. Loss of enamel
c. Scratches or rough surfaces left on restorations
Decreased fluoride uptake
Which of the following is not a possible negative effect of coronal polishing?
b. EFDA or RDA
either a or c
If scaling the teeth is indicated before polishing, the__________ performs the scaling.
a. toward; lightly
away from; lightly
c. toward; firmly
d. toward; lightly
To avoid injury, the rubber polishing cup is directed________ the gingival third and pressed_______ against the tooth surface.
a. It can cause frictional heat that can damage the tooth.
b. It can remove dentin.
c. It can cause frictional heat that can burn the gingiva.
Both a and c can result.
What damage can result from using the prophy angle at a high speed?
a. pressure to the fingers.
b. better retraction.
stability to the hand.
d. movement for the arm.
The purpose of a fulcrum is to provide:
a. cigarettes or cigars.
inadequate toothpaste or poor hygiene.
d. all of the above.
A stain that is dull and yellowish/brown in color is caused by:
has no relationship to poor oral hygiene.
b. is rare.
c. is usually from food pigments.
d. covers most of the crowns of teeth.
The ______ stain found on some children's teeth may be from poor hygiene and the fungi that are retained in bacterial plaque.
a. Using a scaler
b. Using a toothbrush
Rubber cup polishing
Which is the most common technique for stain removal?
A stain that may be removed from the surfaces of the teeth is called a(n)_______ stain.
a. tooth whitening.
b. cosmetic restoration.
c. laminate veneers.
all of the above.
Options available if stains cannot be removed include:
The term fulcrum is used to describe the placement of the_________ finger of the hand, which holds the instrument or handpiece.
a. rotating rapidly before touching the tooth surface.
applied lightly to the tooth surface while revolving at the lowest speed.
c. placed on the tooth while not rotating, and then rotated slowly.
d. placed on the tooth while not rotating, and the rotated in a reverse direction.
When using a bristle brush, the brush should be:
a. exposed cementum.
b. exposed dentin.
deep pits and fissures on the enamel surfaces.
d. interproximal subgingival areas.
Bristle brushes are used to remove stains from:
a. remove stain from the clinical crowns of the teeth.
b. are made fro gutta-percha.
c. should be rotated rapidly to remove stain from teeth.
are available in a synthetic material for patients with later allergies.
a. calcium tungstate.
b. calcium hydroxide.
c. sodium hypochlorite.
The air-polishing technique uses a specially designed handpiece, with a nozzle that delivers a high-pressure stream of warm water and:
a. supragingival plaque.
b. subgingival plaque.
c. supragingival stain.
Air-powder polishing is used to remove:
a. that is a substitute for an oral prophylaxis.
b. used to remove calculus, debris, stain, and plaque from teeth.
used to remove plaque and stains from the coronal surfaces of the teeth.
d. that can be performed by any dental assistant.
Coronal polishing is a technique:
a. rubber dam
c. ZOE base
d. slow-speed handpiece.
Which is not used in the pulpotomy procedure?
a. handpiece with a round bur.
b. handpiece with a tapered bur.
When performing a pulpotomy of a primary tooth, the dentist will use a(n) ____________ to remove the dental pulp.
a. mandibular anterior.
b. mandibular posterior.
d. maxillary posterior.
the most frequently injured teeth in the child's mouth are the:
d. none of the above
If a child is 10 years old and acts as if he is 8, you are describing his _______age.
a. be above the plane of occlusion.
b. fit snugly on the prepared tooth.
c. have both mesial and distal contact.
both b and c.
When sizing a stainless steel crown, it must:
b. bite planes
c. mouth guards
Following premature loss of a primary tooth, ____________ are designed to maintain the space until the normal eruption of the subsequent permanent tooth.
Traumatic _________ occurs when the injured tooth has been forced inward.
Direct pulp capping
b. Formocresol pulpotomy
c. Calcium hydroxide pulpotomy
If the pulp of a newly erupted permanent tooth has been exposed, what procedure is indicated to promote healing of the pulp?
a. A mouth prop
c. Holding the child's hand during treatment
d. A papoose board
Which of the following choices is an example of a pharmacological restraint?
a. show, do, tell.
b. show, tell, do.
tell, show, do.
d. tell, do, show.
Guidelines for establishing trust between the child and dentist include:
a. is the child's actual age in terms of years and months.
refers to the child's level of intellectual capacity and development.
c. describes the child's level of emotional maturity.
d. is not used to characterize patients less then 18 years of age.
thoroughly dry the teeth.
b. dry the teeth with a guaze square.
c. use a cotton-tip applicator or brush.
d. use dental floss through contacts to draw the fluoride varnish interproximally.
When applying a fluoride varnish, do not:
a. Dish or other mild soap
b. Denture cleaner
A tooth whiteneing or smokers' toothpaste
d. Mild toothpaste
_________ is not used to clean a denture.
discontinue all brushing.
b. brush all areas of the mouth not affected.
c. resume normal brushing as soon as possible.
d. rinse with mild saline solution.
Patients with acute oral inflammation should not be instructed to:
encourage them to use an automatic brush.
b. coach them to continue their effective technique.
c. make minor modifications.
guide them in techniques to better reach missed areas.
When reviewing toothbrushing with patients who have healthy gum tissue and very few plaque deposits, you should not:
a. patients with physical disabilities.
b. motivating children.
c. timing brushing.
all of the above.
Automatic toothbrushes may be helpful for:
a. They should be replaced when they begin to show signs of wear.
b. They should be replaced after an illness.
They should be replaced once a year.
d. they should be replaced every 8-12 weeks.
Which is NOT a factor in regard to toothbrushes?
a. durable enough to last until permanent teeth erupt.
b. indicated when there are rampant caries.
c. used to restore a fractured tooth.
all of the above.
Stainless steel crowns are:
a. Papoose board
b. Holding their hand
c. Sedative drugs
Having the parent physically hold them
Which of the following is not accepted type of restraint to be used with children with behavior problems?
a. Use terms a child can understand.
b. Give rewards for good behavior.
Tell the child it won't hurt.
d. Use tell-show-do
Which is not a guideline that should be routinely used with children?
Generally before the age of _________ it is easier to have the parent be with the child for examination.
a. They have an open bay concept.
Children are separated in individual operatories.
c. Computer and video equipment with programs for education and entertainment are widely used.
d. Quiet rooms are utilized for children with behavior problems.
Which is not true regarding the design of most pediatric offices?
a. preventative procedures.
b. restorative procedures.
c. interceptive orthodontics.
all of the above.
The services routinely provided in a pediatric dental office include:
stainless steel crowns.
b. porcelain-fused-to metal crowns.
c. gold crowns.
d. provisional coverage.
The dentist will treat severely decayed and endodontically treated primary teeth with:
The first appointment for a child should take place at about _________ year(s) of age.
a. diet soft drinks.
b. raisins and fruit juices.
oranges and apples.
d. soft drinks or beer.
When analyzing a patient's food diary, the habit of least concern would be frequent use of:
a. The baby may have one at bedtime or naptime with milk only.
The baby may have one at bedtime or naptime with water only.
c. The baby may use one frequently through the day with milk only.
d. Both a and c are acceptable.
Which of the following is acceptable regarding bottles and sippy cups?
a. when the child gets their first tooth.
before the first tooth erupts.
c. when all teeth are present.
d. when the child can master the skill.
Oral hygiene should begin:
a. instruct the patient on how to remove plaque.
b. select home care aids.
listen carefully to the patient.
d. reinforce home care.
The first step in patient education is to:
a. instead of dental floss.
b. for all periodontal patients.
to reduce bacterial levels in subgingival areas.
d. to replace other oral hygiene techniques.
An oral irrigation device is used:
a. End-tuft brush
b. Bridge threader
c. Automatic flosser
A toothpick is utilized as a component of which of the following interdental aids?
Patients should be cautioned about abnormal _______ of tooth structure over time, caused by vigorously scrubbing the teeth with any toothbrush.
a. Bass technique
b. Charter's technique
c. Fones' technique
Modified Bass technique
What is the most frequently recommended toothbrushing method?
c. only automatic
d. only manual
Dental professionals generally recommend that patients use ______ toothbrushes.
a. a month.
b. two weeks.
d. six months.
A dietary analysis using a food diary includes everything a patient consumes each day for:
a. dietary proteins.
b. dietary sugars.
c. the presence of specific bacteria in the mouth.
both b and c.
Dental caries cannot occur without:
a. fluoridated drinking water.
b. fluoride mouth rinses.
d. in-office fluoride treatments.
The primary source of topical fluoride is:
a. cup (8 ounces)
d. swimming pool
One part per million (ppm) of fluoride is approximately equivalent to one drop of fluoride in a ________ of water.
c. both a and b
The major effects of water fluoridation have been proven to be:
c. fluoride poisoning
d. a toxic reaction.
A condition that results from chronic overexposure to fluoride is known as:
a. topical fluoride.
b. ingested fluoride
d. fluoride gel
Fluoride that is ingested in water, food, beverages, or supplements is known as:
a. without sterilizing it first in a autoclave.
that has been in his or her own mouth.
c. except disposable "plasticware"
d. without taking a bite or sip first to make sure it is not spoiled.
To avoid spreading bacteria that causes caries in a baby, a parent should not put anything into the baby's mouth:
a. motivate patients to change their behaviors.
b. help patients become partners in recognizing and preventing dental disease in themselves.
c. help patients become partners in recognizing and preventing dental diseases in their families.
help patients understand what causes dental disease and how to prevent it.
As a dental assistant, your first step as a partner in prevention with your patients is to:
a. provide the best esthetic dentistry possible.
b. provide the best patient experience through superior practice management.
c. balance office accounts payable and receivable.
help people of all ages to have the maximum oral health possible, throughout their lives.
The goal of preventative dentistry is to:
A __________ is a point of support that works as a lever for movement.
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