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50 Cards in this Set

  • Front
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In Angle's classification, a Class II,
Division 1 malocclusion may describe a
combination of skeletal problems, such as
A. maxillary protrusion, normal
mandibular position.
B. normal maxillary position,
mandibular retrusion.
C. maxillary protrusion, mandibular
retrusion.
D. bi-maxillary protrusion, with the
maxilla more protrusive than the
mandible.
E. All of the above.
Clinical examination of a 15-year old girl
shows permanent central incisors,
permanent canines and primary canines all
in contact and anterior to the premolars.
The most likely cause is
A. ankylosed permanent canines.
B. ankylosed primary canines.
C. impacted permanent lateral incisors.
D. congenitally missing permanent
lateral incisors.
D. congenitally missing permanent
lateral incisors.
Cephalometrics is used in orthodontics to
A. treat malocclusions.
B. study growth changes.
C. aid in diagnosis and case analysis.
E. All of the above.
Cephalometrics is useful in assessing
which of the following relationships?
A. Tooth-to-tooth.
B. Bone-to-bone.
C. Tooth-to-bone.
D. All of the above.
The undesirable side-effect most
commonly associated with use of a finger
spring to tip the crown of an anterior
permanent tooth is
A. pain.
B. gingival irritation.
C. tendency for the tooth to intrude.
D. severe mobility of the tooth.
C. tendency for the tooth to intrude.
Heavy orthodontic forces will cause
A. hyalinization of periodontal
ligament.
B. devitalization of the teeth.
C. undermining resorption of alveolar
bone.
D. All of the above.
Forces for orthodontic tooth movement
ideally should be
1. intermittent.
2. continuous.
3. heavy.
4. light.
2. continuous.
4. light.
A well circumscribed 3mm radiolucent
lesion is present in the apical region of the
mandibular second premolar. The tooth
responds normally to vitality tests. The
radiolucency is most likely
A. a periapical granuloma.
B. a periapical cyst.
C. a chronic periapical abscess.
D. the mental foramen.
D. the mental foramen
Following orthodontic rotation of teeth,
which of the periodontal ligament fibres
are most commonly associated with
relapse?
A. Oblique.
B. Diagonal.
C. Horizontal.
D. Supracrestal.
D. Supracrestal.
Which of the following is the LEAST
likely primary site for the development of
oral squamous cell carcinoma in the
elderly?
A. Dorsum of the tongue.
B. Floor of the mouth.
C. Lateral border of the tongue.
D. Tonsillar fossa.
A. Dorsum of the tongue.
Which of the following are vital signs?
1. Blood pressure.
2. Body temperature.
3. Pulse rate and respiration.
4. Pupil size.
1. Blood pressure.
2. Body temperature.
3. Pulse rate and respiration.
The cardinal signs of inflammation are
1. redness.
2. pain.
3. swelling.
4. loss of function.
E. All of the above.
In the management of a patient with an
acute odontogenic infection, the treatment
should include:
1. elimination of the cause.
2. drainage.
3. supportive therapy.
4. tetanus immunization.
1. elimination of the cause.
2. drainage.
3. supportive therapy.
A surgical flap not repositioned over a
bony base will result in
1. slower healing.
2. foreign body inflammatory reaction.
3. wound dehiscence.
4. necrosis of bone.
1. slower healing.
3. wound dehiscence.
Which impacted mandibular third molar is
easiest to remove?
A. Mesio-angular.
B. Horizontal.
C. Disto-angular.
D. Inverted.
A. Mesio-angular.
When using forceps for extraction of a
maxillary first molar, which of the
following statements is/are true?
1. Palatal bone is thinner than buccal
bone.
2. Buccal bone is easier to expand.
3. Forcep movement should be
principally in the palatal direction.
4. Forcep movement should be
principally in the buccal direction.
2. Buccal bone is easier to expand.
4. Forcep movement should be
principally in the buccal direction.
Which of the following basic forcep
movements is NOT used for extracting
teeth?
A. Apical.
B. Rotational.
C. Mesial.
D. Lingual (palatal).
C. Mesial.
With respect to forceps extraction of teeth,
which of the following applies (apply)?
1. Beaks should be placed on the root
of the tooth.
2. Beaks should be applied parallel to
the long axis of the tooth.
3. Beaks should be moved apically
during extraction.
4. Poor placement can lead to tooth
fracture, slippage and injury to
adjacent teeth.
E. All of the above.
The basic design principles for a
mucoperiosteal flap are
1. broad based.
2. adequate access.
3. able to be repositioned over bone.
4. adequate blood supply.
D. All of the above.
Marsupialization (PARTSCH
PROCEDURE) is the preferred surgical
technique in the management of
1. a cyst.
2. a keratocyst.
3. ranula.
4. osteomyelitis.
1. a cyst
3. ranula.
Benign neoplasms
1. grow slowly.
2. are generally painless.
3. can be managed conservatively.
4. can metastasize.
1. grow slowly.
2. are generally painless.
3. can be managed conservatively.
A removable orthodontic appliance,
producing a light force on the labial of a
proclined maxillary central incisor will
cause
A. lingual movement of the crown and
lingual movement of the root apex.
B. intrusion of the central incisor and
lingual movement of the crown.
C. lingual movement of the crown and
labial movement of the root apex.
D. intrusion of the central incisor.
C. lingual movement of the crown and
labial movement of the root apex.
Maxillary incisor protrusion can be treated
by
1. premolar extraction with orthodontic
retraction of the incisors.
2. premolar extraction with surgical
repositioning of the anterior
dentoalveolar segment.
3. extraction of the incisors,
alveoloplasty and prosthodontic
replacement.
4. reduction and genioplasty.
1. premolar extraction with orthodontic
retraction of the incisors.
2. premolar extraction with surgical
repositioning of the anterior
dentoalveolar segment.
3. extraction of the incisors,
alveoloplasty and prosthodontic
replacement.
The mandible grows primarily at the
A. symphysis and condyles.
B. posterior border of the ramus and the
alveolar crest.
C. condyles and lateral border of the
body.
D. condyles and posterior border of the
ramus.
E. symphysis and posterior border of
the ramus.
D. condyles and posterior border of the
ramus.
Which of the following are mechanisms of
growth of the naso-maxillary complex?
A. Sutural.
B. Cartilaginous.
C. Appositional.
D. All of the above.
Which of the following clinical
approaches would reduce the tendency to
the post-extraction complication of dry
socket?
A. Pre-extraction control of
pericoronitis.
B. Post-extraction socket dressing with
topical tetracycline.
C. Use of a pre-operative mouthrinse of
0.2 percent chlorhexidine gluconate.
D. All of the above.
The epithelial attachment
A. in health, is located at the cementoenamel
junction.
B. with periodontitis, moves apically
along the root surface as periodontal
disease progresses.
C. is composed of stratified squamous
non-keratinized epithelium.
D. All of the above.
Wolff's Law states that bone elements
A. rearrange themselves in the direction
of functional pressures.
B. increase their mass to reflect
functional stress.
C. decrease their mass to reflect
functional stress.
D. All of the above.
The inflammatory response in periodontal
pathology is caused by bacterial products
from plaque which
1. act as chemotactic products.
2. activate the kallikrein system.
3. initiate an immune response.
4. act as enzymes.
E. All of the above.
Attached gingival tissue is primarily
composed of
A. collagenous fibres.
B. keratinized squamous epithelium.
C. elastic fibres.
A. collagenous fibres.
B. keratinized squamous epithelium.
Which of the following drugs has/have
sedative properties?
A. Benzodiazepines.
B. Barbiturates.
C. Meperidine.
D. All of the above.
Therapeutic doses of morphine
administered intramuscularly may produce
1. constipation.
2. euphoria.
3. mental clouding.
4. dysphoria.
E. All of the above.
Excessively dark radiographs will result
from
1. underdevelopment.
2. overexposure.
3. backward placement of the film.
4. excessive milliamperage.
2. overexposure.
4. excessive milliamperage.
In clinical dentistry, stiffness of wire is a
function of
A. length of the wire segment.
B. diameter of the wire segment.
C. alloy composition.
D. All of the above.
A hardened gold alloy will exhibit
A. less plastic deformation per unit of
stress than the same alloy in a
softened condition.
B. greater plastic deformation per unit
of stress than the same alloy in a
softened condition.
C. no difference in the plastic
deformation per unit of stress of the
alloy in hard or soft condition.
A. less plastic deformation per unit of
stress than the same alloy in a
softened condition
The choice and number of abutments for a
fixed partial denture is influenced by the
1. length of the span of the fixed partial
denture.
2. crown-root ratio of the abutments.
3. amount of periodontal support of the
abutments.
4. position of the abutments in the arch.
E. All of the above.
Success of an endosseous dental implant is
dependent upon
1. biocompatibility of the material.
2. design.
3. a period of non-function.
4. immediate loading.
1. biocompatibility of the material.
2. design.
3. a period of non-function.
Which of the following pharmacokinetic
change(s) occur(s) with aging?
1. Absorption is altered by a decrease in
the gastric pH.
2. Metabolism is decreased by a
reduced liver mass.
3. Distribution is altered by a decrease
in total body fat.
4. Excretion is reduced because of
lessened renal blood flow.
2. Metabolism is decreased by a
reduced liver mass.
4. Excretion is reduced because of
lessened renal blood flow.
Which of the following should NOT be
prescribed for a patient receiving warfarin
(Coumadin®)?
1. Acetylsalicylic acid.
2. Oxycodone.
3. Ketorolac.
4. Codeine.
1. Acetylsalicylic acid.
3. Ketorolac.
Flurbiprofen is an
1. antibiotic.
2. analgesic.
3. anti-inflammatory.
4. anti-depressant.
2. analgesic.
3. anti-inflammatory.
A very apprehensive patient experiencing
pain may be prescribed a barbiturate,
chloral hydrate or an antihistamine to
control the anxiety. In which of the
following would you expect an
exaggerated response to the use of these
drugs?
1. A diabetic.
2. The elderly.
3. A rheumatic.
4. A patient with chronic renal disease.
2. The elderly.
4. A patient with chronic renal disease.
Hypercementosis at the root apex is often
associated with
A. hypothyroidism.
B. Paget's disease.
C. orthodontic tooth movement.
D. normal occlusal function.
E. hyperparathyroidism.
B. Paget's disease.
The periodontal condition showing
localized advanced vertical bone loss
involving the first molars and the incisors
is diagnosed as
A. desquamative gingivitis.
B. juvenile periodontitis.
C. advanced destructive chronic
periodontitis.
D. acute periodontitis.
B. juvenile periodontitis.
When using the periodontal probe to
measure pocket depth, the measurement is
taken from the
A. base of the pocket to the
cementoenamel junction.
B. free gingival margin to the
cementoenamel junction.
C. base of the pocket to the crest of the
free gingiva.
D. base of the pocket to the
mucogingival junction.
C. base of the pocket to the crest of the
free gingiva
Infrabony defects occur most frequently in
A. cancellous bone.
B. cortical bone.
C. bundle bone.
D. interseptal bone.
D. interseptal bone.
Periodontitis
1. develops from gingivitis.
2. is associated with continuous
destruction of the alveolar bone.
3. goes through stages of tissue
destruction and quiessence.
4. results in occlusal traumatism.
1. develops from gingivitis.
3. goes through stages of tissue
destruction and quiessence.
Which of the following is/are common to
both gingival and periodontal pockets?
1. Apical migration of junctional
epithelium.
2. Fibrotic enlargement of marginal
tissue.
3. Bleeding upon probing.
4. Increased depth upon probing.
4. Increased depth upon probing.
Patients with occlusal parafunctional
habits may present
A. soreness in jaw muscles.
B. occlusal wear facets.
C. tooth mobility.
E. All of the above.
In periodontal flap surgery, the initial
incision is made to
A. remove the sulcular lining of the
pocket.
B. aid in healing.
C. sever the attachment of the oblique
fibres of the periodontal ligament.
D. excise the keratinized gingiva.
A. remove the sulcular lining of the
pocket
In a cavity preparation which closely
approximates the pulp, you would protect
the pulp with
A. a zinc phosphate cement base.
B. a calcium hydroxide cement base.
C. a calcium hydroxide wash and cavity
varnish.
D. a calcium hydroxide cement liner and
a glass ionomer cement base.
D. a calcium hydroxide cement liner and
a glass ionomer cement base.