El Maestro exam review| 294
Questions| with complete solutions
By encircling an abutment tooth 180 degrees, a removable partial denture clasp
assembly serves to
A- Prevent tooth movement away from the clasp
B- Increase the retention provided by the clasp
C- Increase the support derived from the abutment tooth
D- Decrease the applied occlusal torquing forces Correct Answer: A- Prevent
tooth movement away from the clasp
Which of the following is contraindicated as a pre-prosthodontics regimen to
optimize soft tissue health
A- Oral hygiene instructions
B- Prophylaxis
C- Daily rinses of chlorhexidine
D- Premedication with oral antibiotics Correct Answer: D- Premedication with
oral antibiotics
Diazepam-mediated effects include
A- Peripherally-acting muscle relaxation
B- Lowering seizure Threshold
C- Anterograde amnesia
D- Analgesia Correct Answer: C- Anterograde amnesia
Primary drug for treating oral candidiasis in patients with HIV is
A- Nystatin (Mycostatin)
B- Acyclovir (Zovirax)
C- Penciclovir (Denavir)
D- Chlorhexidine (Peridex) Correct Answer: A- Nystatin (Mycostatin)
Which of the following represents the major cause of pulpal damage associated
with cavity preparation?
A- Vibration
,B- Heat generation
C- Dentin desiccation
D- Adverse effects of local anesthetic Correct Answer: B- Heat generation
A new diagnostic test is evaluated against an independent "gold standard" in 100
subjects with the following results:
True positive: 48
True negative: 8
False positive: 12
False negative: 32
What is the negative predictive value of this new diagnostic test?
A- 20%
B- 40%
C- 60%
D- 80% Correct Answer: A- 20%
TN/(TN+FN): 8/(8+32)
Adrenal suppression may result from which of the following regimens of
hydrocortisone
A- 20mg for 2 weeks within 2 years
B- 2 mg for 2 weeks within 2 years
C- 10mg for 1 week within 1 year
D- 1mg for 1 week within 1 year Correct Answer: A- 20mg for 2 weeks within 2
years
Which of the following 2 designs in tooth preparation can be used with ACC
A- Butt-joint shoulder and chamfer
B- Bevel or butt-joint shoulder
C- Bevel or feather edge
D- Chamfer or feather edge Correct Answer: A- Butt-joint shoulder or chamfer
The highest incidence of caries around CL II composite resin restorations occurs
on which of the following margins
A- Occlusal
B- Facial proximal
C- Lingual proximal
,D- Gingival proximal Correct Answer: D- Gingival proximal
Which of the following is the best treatment for a traumatically intruded primary
tooth which is not impinging on the permanent tooth bud
A- Extraction
B- Allow tooth to spontaneously re-erupt
C- Reposition tooth orthodontically
D- Reposition tooth surgically Correct Answer: B- Allot tooth to spontaneously
re-erupt
Which of the following is not correct concerning informed consent
A- It must be obtained in advance of treatment
B- It must be in writing
C- It must include risks, benefits, and complications
D- It must include treatment options Correct Answer: B- It must be in writing
When performing a pulpal evaluation, the dentist should ideally us which of the
following as controls
A- Adjacent teeth only
B- Adjacent teeth and opposing tooth
C- Adjacent teeth and contralateral tooth
D- Opposing tooth and contralateral tooth Correct Answer: C- Adjacent tooth and
contralateral tooth
In recurring necrotizing ulcerative gingivitis, which of the following is most
associated with exacerbation?
A- Occlusal trauma
B- Stressful episodes
C- Amount of suppuration present
D- Increase in gram positive organisms Correct Answer: B- Stressful episodes
The means by which dental patients are treated to eliminate the caries process is
called
A- Antibiotic prophylaxis
B- Primary prevention
, C- Secondary prevention
D- Tertiary prevention Correct Answer: C- Secondary prevention
A fail-safe mechanism on an analgesia machine for nitrous oxide and oxygen
prevents the delivery of nitrous oxide greater than
A- 20%
B- 50%
C- 70%
D- 90% Correct Answer: C- 70%
A wear facet is seen on the mesio-buccal incline of the mesio-buccal cusp of a
mandibular first molar complete metal crown. This facet clould have been formed
during which jaw movements?
A- Working only
B- Protrusive or working
C- Protrusive or non-working
D- Non-working or retrusive Correct Answer: C- Protrusive or non-working
Which of the following drugs are categorized as tricyclic antidepressants
A- Tranylcypromine (Parnate) and parglyline (Eutonyl)
B- Gabapentin (Neurontin) and tramadol (Ultram)
C- Imipramine and amitriptyline
D- Preomethazine and hydroxyzine Correct Answer: C- Imipramine and
amitriptyline
What is the most likely pulpal diagnosis for a primary molar with deep caries and a
history of transient cold sensitivity with an intact periodontal ligament space on
radiographic examination
A- Reversible pulpitis
B- Irreversible pulpitis
C- Pulpal necrosis
D- Calcification metamorphosis Correct Answer: A- Reversible pulpitis
In removing a torus palatinus, the practitioner inadvertently removed the
midportion of the palatine process of the maxilla. One would expect to see
A- The nasolacrimal duct
Questions| with complete solutions
By encircling an abutment tooth 180 degrees, a removable partial denture clasp
assembly serves to
A- Prevent tooth movement away from the clasp
B- Increase the retention provided by the clasp
C- Increase the support derived from the abutment tooth
D- Decrease the applied occlusal torquing forces Correct Answer: A- Prevent
tooth movement away from the clasp
Which of the following is contraindicated as a pre-prosthodontics regimen to
optimize soft tissue health
A- Oral hygiene instructions
B- Prophylaxis
C- Daily rinses of chlorhexidine
D- Premedication with oral antibiotics Correct Answer: D- Premedication with
oral antibiotics
Diazepam-mediated effects include
A- Peripherally-acting muscle relaxation
B- Lowering seizure Threshold
C- Anterograde amnesia
D- Analgesia Correct Answer: C- Anterograde amnesia
Primary drug for treating oral candidiasis in patients with HIV is
A- Nystatin (Mycostatin)
B- Acyclovir (Zovirax)
C- Penciclovir (Denavir)
D- Chlorhexidine (Peridex) Correct Answer: A- Nystatin (Mycostatin)
Which of the following represents the major cause of pulpal damage associated
with cavity preparation?
A- Vibration
,B- Heat generation
C- Dentin desiccation
D- Adverse effects of local anesthetic Correct Answer: B- Heat generation
A new diagnostic test is evaluated against an independent "gold standard" in 100
subjects with the following results:
True positive: 48
True negative: 8
False positive: 12
False negative: 32
What is the negative predictive value of this new diagnostic test?
A- 20%
B- 40%
C- 60%
D- 80% Correct Answer: A- 20%
TN/(TN+FN): 8/(8+32)
Adrenal suppression may result from which of the following regimens of
hydrocortisone
A- 20mg for 2 weeks within 2 years
B- 2 mg for 2 weeks within 2 years
C- 10mg for 1 week within 1 year
D- 1mg for 1 week within 1 year Correct Answer: A- 20mg for 2 weeks within 2
years
Which of the following 2 designs in tooth preparation can be used with ACC
A- Butt-joint shoulder and chamfer
B- Bevel or butt-joint shoulder
C- Bevel or feather edge
D- Chamfer or feather edge Correct Answer: A- Butt-joint shoulder or chamfer
The highest incidence of caries around CL II composite resin restorations occurs
on which of the following margins
A- Occlusal
B- Facial proximal
C- Lingual proximal
,D- Gingival proximal Correct Answer: D- Gingival proximal
Which of the following is the best treatment for a traumatically intruded primary
tooth which is not impinging on the permanent tooth bud
A- Extraction
B- Allow tooth to spontaneously re-erupt
C- Reposition tooth orthodontically
D- Reposition tooth surgically Correct Answer: B- Allot tooth to spontaneously
re-erupt
Which of the following is not correct concerning informed consent
A- It must be obtained in advance of treatment
B- It must be in writing
C- It must include risks, benefits, and complications
D- It must include treatment options Correct Answer: B- It must be in writing
When performing a pulpal evaluation, the dentist should ideally us which of the
following as controls
A- Adjacent teeth only
B- Adjacent teeth and opposing tooth
C- Adjacent teeth and contralateral tooth
D- Opposing tooth and contralateral tooth Correct Answer: C- Adjacent tooth and
contralateral tooth
In recurring necrotizing ulcerative gingivitis, which of the following is most
associated with exacerbation?
A- Occlusal trauma
B- Stressful episodes
C- Amount of suppuration present
D- Increase in gram positive organisms Correct Answer: B- Stressful episodes
The means by which dental patients are treated to eliminate the caries process is
called
A- Antibiotic prophylaxis
B- Primary prevention
, C- Secondary prevention
D- Tertiary prevention Correct Answer: C- Secondary prevention
A fail-safe mechanism on an analgesia machine for nitrous oxide and oxygen
prevents the delivery of nitrous oxide greater than
A- 20%
B- 50%
C- 70%
D- 90% Correct Answer: C- 70%
A wear facet is seen on the mesio-buccal incline of the mesio-buccal cusp of a
mandibular first molar complete metal crown. This facet clould have been formed
during which jaw movements?
A- Working only
B- Protrusive or working
C- Protrusive or non-working
D- Non-working or retrusive Correct Answer: C- Protrusive or non-working
Which of the following drugs are categorized as tricyclic antidepressants
A- Tranylcypromine (Parnate) and parglyline (Eutonyl)
B- Gabapentin (Neurontin) and tramadol (Ultram)
C- Imipramine and amitriptyline
D- Preomethazine and hydroxyzine Correct Answer: C- Imipramine and
amitriptyline
What is the most likely pulpal diagnosis for a primary molar with deep caries and a
history of transient cold sensitivity with an intact periodontal ligament space on
radiographic examination
A- Reversible pulpitis
B- Irreversible pulpitis
C- Pulpal necrosis
D- Calcification metamorphosis Correct Answer: A- Reversible pulpitis
In removing a torus palatinus, the practitioner inadvertently removed the
midportion of the palatine process of the maxilla. One would expect to see
A- The nasolacrimal duct
