OSCE 2023 Exam Questions and Answers

Name drugs that induce gingival hyperplasia/increase pocket depths. - Answer- - Ca+ channel blockers = amlodipine, verapamil, diltiazem - Anticonvulsants = phenytoin, dilantin, valproic acid - Immunosuppressive drugs = cyclosporine Large space (diastema) between #11 & #12. What do you do? A. Place implant B. RPD C. FPD (bridge) D. Do nothing - Answer- D. Do nothing Cauliflower-like lesion on the tongue is ____. - Answer- Papilloma What is the treatment for mucoceles? A. Prescribe corticosteroids B. Excise it & adjacent glands should be excised to prevent recurrence C. Must be biopsied for definitive diagnosis D. Antifungal medications - Answer- B. Excise it & adjacent glands should be excised to prevent recurrence What is the greatest problem (disadvantage) with resin bonded bridges (Maryland Bridge)? A. Staining B. Debonding C. Fracture D. Less tooth reduction - Answer- B. Debonding What is the greatest advantage of resin bonded bridges (Maryland Bridge)? A. Staining B. Debonding C. Fracture D. Minimal tooth reduction - Answer- D. Minimal tooth reduction Patient presents with Jaundice. Which of the following do they probably have? A. Cirrhosis B. Hepatitis A C. Hepatitis C - Answer- B. Hepatitis A Patient presents with jaundice. What is the proper thing to do? A. Start with the examination & complete a thorough diagnostic assessment B. Tell the patient to immediately go to the ER. C. Tell the patient to come back for treatment in 1 week, and you cannot treat them now. - Answer- C. Tell the patient to come back for treatment in 1 week, and you cannot treat them now. A patient has an allergic reaction to a barbiturate, how do you treat? A. Epinephrine B. Diphenhydramine C. Send to ER - Answer- B. Diphenhydramine (benadryl) Pt presents, upset with look of with canine and premolar area; spotted (pick up stains), pits and grooves on outer surface of teeth. Likely diagnosis: A. Hypoplasia B. Hyperplasia C. Abfraction D. Erosion - Answer- A. Hypoplasia Several spots with yellow-ish concave areas in cervical 1/3rd of anterior teeth. Likely cause? A. Erosion B. Abrfraction C. Hypoplasia D. Hyperplasia - Answer- A. Erosion due to acidic beverages Diagnose amelogenesis imperfecta radiographically. - Answer- Yellow/brown discoloration, minimal to no enamel visible, open contacts, square crowns Diagnose dentinogenesis imperfecta radiographically. - Answer- Bulbous crowns, cervical constriction, thin roots, early obliteration of root canals and pulp chambers. Once thought to be associated with BLUE SCLERA and multiple bone fractures: A. Hemolytic anemia B. Grave's disease C. Pernicious anemia D. Dentinogenesis imperfecta - Answer- D. Dentinogenesis imperfecta All of the following are hyperthyroid symptoms except? A. Fatigue B. Exophthalmos C. Tachycardia D. Tremor of extremities - Answer- A. Fatigue The minimal axial reduction for crowns is? A. 0.5 mm B. 1.0 mm C. 1.5 mm D. 2.0 mm - Answer- C. 1.5mm Minnium recommended occlusal reduction for a PFM crown: A. 0.5 mm B. 1.0 mm C. 1.5 mm D. 2.0 mm - Answer- D. 2.0mm What is the maximum amount of unsupported porcelain allowed/minimum thickness? A. 0.5 mm B. 1.0 mm C. 1.5 mm D. 2.0 mm - Answer- D. 2.0mm What is a side effect of cyclosporine? - Answer- Gingival hyperplasia The most important treatment for ANUG (Acute Necrotizing Ulcerative Gingivitis) is? A. Antibiotics (chlorhexidine rinse) B. Debridement (SRP) C. Patient understanding important of OH D. Explaining to the patient the link between oral health & systemic health - Answer- B. Debridement (SRP) What is gingivectomy used for? A. Gingival hypertrophy B. Gingival hyperplasia C. Gingival recession D. Hemostasis - Answer- B. Gingival hyerplasia What is the treatment for a patient with a liver clot? A. Prescribe antibiotics B. Irrigate C. Apply pressure then reassess D. Two of the above - Answer- D. Two above the above (irrigate, and apply pressure then reassess) In order to improve gingival health, what must you do to a temporary crown? A. Over-contour B. Under-contour - Answer- B. Under-contour (due to less plaque retention + improves gingival health) Image of maxillary & mandibular full arch crowns with erythematous gingiva. What might be the issue? A. Impingement on gums B. Hyperocclusion C. Increased VDO - Answer- A. impingement on gums Patient presents with pain on swallowing when wearing their mandibular partial denture. All signs point to.... pick 4 1. Over extended palatal area 2. Overextension of the lingual flange 3. Increased ridge resorption 4. Thick posterior palatal area 5. Increased VDO 6. Decreased VDO 7. Psychogenic - Answer- 1, 2, 4, 7 Patient presents with space in between 3rd molar & premolar with class II mobility. How should you treat it? A. Fixed partial denture B. Removable partial denture C. Implant prosthesis D. Full denture - Answer- C. Implant prosthesis Patient missing #2 and #3. #1 has Class III mobility and furcation involvement. What would be the optimal treatment plan? A. Fixed bridge from #1 to #4 B. Place two implant-supported crowns for #2, #3; Frequent recall visits to re-evaluate #1. C. Extract #1 and place implants for #2, or #2 and #3 - Answer- C. Extract #1 and place implants for #2, or #2 and #3 Grade III or IV furcation involvement, Miller class III mobility; the tooth can't be maintained with adequate plaque control by the clinician or by the patient. What would be the prognosis for this tooth? A. Questionable B. Good C. Poor D. Hopeless - Answer- D. Hopeless If you cannot pick a color for a crown, what should you choose? __ shade saturation, and ____ gray. A. Higher, more B. Lower, less C. Higher, less D. Lower, more - Answer- B. Lower, less What is the worst location for an implant? A. Mandibular anterior B. Mandibular posterior C. Maxillary anterior D. Maxillary posterior E. Two of the above - Answer- D. Maxillary posterior What is the best location for an implant? A. Mandibular anterior B. Mandibular posterior C. Maxillary anterior D. Maxillary posterior E. Two of the above - Answer- A. Mandibular anterior Which cement is the worst for deep restorations? A. Glass ionomer B. Zinc phosphate C. Composite resin D. RMGI - Answer- B. Zinc phosphate (causes pulpal irritation) BW xray of amalgam restoration. Patient complained of pain when provoked by hot or cold. What is wrong? A. Apical periodontitis B. Deep amalgam restoration/recurrent decay C. Galvanic shock - Answer- B. Deep amalgam restoration/recurrent decay How long do you leave a periodontal pack in for? A. 24 hours B. 3 days C. 1 week D. 3 months - Answer- C. 1 week