CDCA OSCE MASTER SET EXAM
QUESTIONS AND ANSWERS58
**[photo]
*arms with red rashes. Informed patient has taking antibiotic for a dental infection. What drug
would you expect to do this?
a. Penicillin
b. Erythromycin
c. Amoxicillin - ANSWERS-a
[photo]
*swollen lips. Informed patient. Patient is taking antibiotics or barbiturates. Angioedema as
diagnosis. You recommend
a. Oral antihistamines (benadryl = diphenhydramine)
b. Topical corticosteroids - ANSWERS-a
[photo]
*lichen planus inside cheek (reticular), asymptomatic. You recommend
a. Leave alone
b. Topical corticosteroids (if symptomatic)
c. Surgical removal - ANSWERS-a
[photo]
*lips and tongue with small red dots.
,Diagnosis:
a. Petechiae
b. Hematoma (when hit by a bat/accident/trauma)
c. Hemangioma (been there as long as he/she remembers, it blanches at pressure)
d. Hereditary hemorrhagic telangiectasia - ANSWERS-d
**Disadvantage of a resin bonded denture (Maryland Bridge)? - ANSWERS-Debonding
Advantage of a Maryland Bridge? - ANSWERS-Less tooth reduction
Gutta percha is made out of? - ANSWERS-Zinc oxide
Drug that increase the concentration of lidocaine in the blood? - ANSWERS-propanalol
Best initial treatment for Maxillary oroantro fistula? - ANSWERS-abx and irrigation
Minimum occlusal reduction for PFM? - ANSWERS-1.5mm
X-rays show many well demarcated PA lucencies
Next step? - ANSWERS-Pulp test them
Purpose of SRP? - ANSWERS-To reduce inflammation and pockets
You extracted a tooth, 1 day later pt has a big blood clot.
Next step? - ANSWERS-Remove clot, apply pressure with gauze , evaluate
,Drug taken for arthritis? - ANSWERS-Naproxene
**Advantage of under contoured temps? - ANSWERS-Improves health of gingival tissues
Porcelain fractures because 3 reasons: - ANSWERS--It was a long span resulting in flexing of
metal
-unsupported porcelain
-not enough occlusal reduction
Minimum thickness for porcelain? - ANSWERS-2mm
**Pt has difficulty swallowing with C/C b/c? - ANSWERS-there is insufficient interocclusal space
You insert C/C. 1 side contacts in CR, the other doesn't b/c? - ANSWERS-Dimensional changes
during processing
**[Picture]
Arrow to the reciprocal clasp in above RPD, what's purpose - ANSWERS-To counterbalance force
of retentive arm/clasp
**Blunted roots of anterior teeth are due to? - ANSWERS-Excessive orthodontic forces
When doing an implant, what's the best choice? - ANSWERS-Endosseous
Best treatment plant to replace one tooth? - ANSWERS-Implant
Advantage of implant? - ANSWERS-Avoid the need to cut healthy teeth
, RPD better than FPD for what reason? - ANSWERS-More hygienic
X-rays cannot determine? - ANSWERS-F/L width of the alveolar bone
V notch is cut into plaster cast to be able to? - ANSWERS-Remove and replace model more
accurately
What isn't an indication of an MI? - ANSWERS-Pounding heart beat
If patient has history of angina, do what? - ANSWERS-Have pt take nitroglycerin
Ideal occlusal reduction for porcelain on functional cusp? - ANSWERS-2mm
**Best way to close an oro-antral fistula? - ANSWERS-Surgery
**When it's hard to match shade of adjacent teeth? - ANSWERS-Select shade lower in color
saturation and less gray
The last 1/3 of the retentive arm of the clasp is located where? - ANSWERS-Apical to the height
of contour
Purpose of the die spacer? - ANSWERS-To allow room for the cement
If you are pulp testing and apply cold, tooth responds and goes in 3s.
Dx? - ANSWERS-Reversible pulpitis
QUESTIONS AND ANSWERS58
**[photo]
*arms with red rashes. Informed patient has taking antibiotic for a dental infection. What drug
would you expect to do this?
a. Penicillin
b. Erythromycin
c. Amoxicillin - ANSWERS-a
[photo]
*swollen lips. Informed patient. Patient is taking antibiotics or barbiturates. Angioedema as
diagnosis. You recommend
a. Oral antihistamines (benadryl = diphenhydramine)
b. Topical corticosteroids - ANSWERS-a
[photo]
*lichen planus inside cheek (reticular), asymptomatic. You recommend
a. Leave alone
b. Topical corticosteroids (if symptomatic)
c. Surgical removal - ANSWERS-a
[photo]
*lips and tongue with small red dots.
,Diagnosis:
a. Petechiae
b. Hematoma (when hit by a bat/accident/trauma)
c. Hemangioma (been there as long as he/she remembers, it blanches at pressure)
d. Hereditary hemorrhagic telangiectasia - ANSWERS-d
**Disadvantage of a resin bonded denture (Maryland Bridge)? - ANSWERS-Debonding
Advantage of a Maryland Bridge? - ANSWERS-Less tooth reduction
Gutta percha is made out of? - ANSWERS-Zinc oxide
Drug that increase the concentration of lidocaine in the blood? - ANSWERS-propanalol
Best initial treatment for Maxillary oroantro fistula? - ANSWERS-abx and irrigation
Minimum occlusal reduction for PFM? - ANSWERS-1.5mm
X-rays show many well demarcated PA lucencies
Next step? - ANSWERS-Pulp test them
Purpose of SRP? - ANSWERS-To reduce inflammation and pockets
You extracted a tooth, 1 day later pt has a big blood clot.
Next step? - ANSWERS-Remove clot, apply pressure with gauze , evaluate
,Drug taken for arthritis? - ANSWERS-Naproxene
**Advantage of under contoured temps? - ANSWERS-Improves health of gingival tissues
Porcelain fractures because 3 reasons: - ANSWERS--It was a long span resulting in flexing of
metal
-unsupported porcelain
-not enough occlusal reduction
Minimum thickness for porcelain? - ANSWERS-2mm
**Pt has difficulty swallowing with C/C b/c? - ANSWERS-there is insufficient interocclusal space
You insert C/C. 1 side contacts in CR, the other doesn't b/c? - ANSWERS-Dimensional changes
during processing
**[Picture]
Arrow to the reciprocal clasp in above RPD, what's purpose - ANSWERS-To counterbalance force
of retentive arm/clasp
**Blunted roots of anterior teeth are due to? - ANSWERS-Excessive orthodontic forces
When doing an implant, what's the best choice? - ANSWERS-Endosseous
Best treatment plant to replace one tooth? - ANSWERS-Implant
Advantage of implant? - ANSWERS-Avoid the need to cut healthy teeth
, RPD better than FPD for what reason? - ANSWERS-More hygienic
X-rays cannot determine? - ANSWERS-F/L width of the alveolar bone
V notch is cut into plaster cast to be able to? - ANSWERS-Remove and replace model more
accurately
What isn't an indication of an MI? - ANSWERS-Pounding heart beat
If patient has history of angina, do what? - ANSWERS-Have pt take nitroglycerin
Ideal occlusal reduction for porcelain on functional cusp? - ANSWERS-2mm
**Best way to close an oro-antral fistula? - ANSWERS-Surgery
**When it's hard to match shade of adjacent teeth? - ANSWERS-Select shade lower in color
saturation and less gray
The last 1/3 of the retentive arm of the clasp is located where? - ANSWERS-Apical to the height
of contour
Purpose of the die spacer? - ANSWERS-To allow room for the cement
If you are pulp testing and apply cold, tooth responds and goes in 3s.
Dx? - ANSWERS-Reversible pulpitis
