Oral Health Group
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Self Learning Assessment 2006 Quiz

November 1, 2006
by Oral Health


1.The effect of chlorhexidine mouthwash on the reduction of lactobacilli and S. mutans decreases over time.

A daily rinse of 15ml of 0.2% NaFl gives a significant reduction in caries incidence.

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A. The first statement is true, the second is false.

B. The first statement is false, the second is true.

C. Both statements are true.

D. Both statements are false.

2.Management of a wound exposed to HIV consists of

1. pressing the wound to induce bleeding.

2. washing with soap and water.

3. disinfecting the area.

4. recording the date, time, and description of the wound.

A. 1,2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

3.Systemic medication with beta blockers 1. alters the composition of saliva. 2. increases the risk to cervical caries. 3. affects the rate of calculus formation. 4. reduces salivary flow.

A. 1, 2, 3

B. 1 and 3

C. 2 and 4

D. 4 only

E. All of the above

4.Patients who develop xerostomia following radiation to the head and neck region, should be instructed to 1. maintain scrupulous oral hygiene. 2. use 1.1% neutral sodium fluoride gel on a daily basis. 3. have frequent dental examinations. 4. use lemons on a regular basis to stimulate salivary flow.

A. 1,2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

5.Following periodontal therapy, non-smokers and smokers show the same gain of clinical attachment.

Following periodontal therapy, there are no differences found in the prevalence of bacteria in the sulci of smokers compared to those of non-smokers.

A. The first statement is true, the second is false.

B. The first statement is false, the second is true.

C. Both statements are true.

D. Both statements are false.

6.Which of the following increases tooth fracture? 1. Clenching 2. Grinding 3. Excessive wear 4. Size of the restoration

A. 1, 2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

7.Ethylene oxide gas can be used to sterilize handpieces and other intraoral instruments.

Patients should be advised not to close their lips tightly around the tip of the saliva ejector when evacuating oral fluids.

A. The first statement is true, the second is false.

B. The first statement is false, the second is true.

C. Both statements are true.

D. Both statements are false.

8.Antibiotic therapy of patients with periodontal disease is justified for 1. refractory periodontitis. 2. acute periodontal abscess. 3. necrotizing gingivitis. 4. recurrent periodontitis.

A. 1, 2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

9.Which of the following are associated with the Er, Cr:YSGG laser when used for caries removal and cavity preparation? 1. Production of a rough surface on the enamel and dentin 2. No need for local anaesthesia 3. No smear layer 4. Increased resistance of enamel to demineral- ization

A. 1,2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

10.Methylmethacrylate provisional restorations are 1. strong. 2. easily retained. 3. superior to composite material. 4. able to fit accurately.

A. 1,2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

11.Saliva 1. increases with mastication. 2. contains enzymes. 3. counters pathological bacteria. 4. lubricates oral tissues.

A. 1,2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

12.In orthodontic treatment, which of the following is/are considered within the purview of the general practitioner? 1. Open bite deformity 2. Class II malocclusion 3. Class III malocclusion 4. Anterior single tooth crossbite

A. 1,2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

13.Conventional bitewing radiographs are more accurate than digital in determining alveolar bone loss.

Digital radiographs provide a more accurate clinical picture than conventional periapicals for assessment of alveolar bone loss.

A. The first statement is true, the second is false.

B. The first statement is false, the second is true.

C. Both statements are true.

D. Both statements are false.

14.In the anterior mandible, immediate loading of implants to support a mandibular overdenture is contraindicated for 1. poor bone density. 2. severe metabolic disease. 3. fewer than four implants. 4. severe parafunctional habit.

A. 1,2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

15.Which of the following will be of value both in diagnosing and identifying patients at risk to periodontal disease? 1. Sampling of crevicular cytokines 2. Radiographic evidence of fuzziness at the crest of the interdental septum 3. Sampling of crevicular fluid for prostaglandins 4. Sampling of bacteria from crevicular sulcus

A. 1,2, 3D. 4 only

B. 1 and 3E. All of the above

C. 2 and 4

Answers to the October 2006 SLSA Questions

37. E

38. C

39. D

40. C


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