1. Radiography will not reveal caries in non-cavitated or heavily fluoridated enamel.
Laser fluorescence has high sensitivity in detection of caries.
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. Which of the following prerestoration treatments is/are effective in reducing postoperative pain in a Class I amalgam restoration?
1. Calcium hydroxide liner.
2. Cavity varnish.
3. Dentin adhesive resin liner.
4. Chlorhexidine disinfectant.
A. 1, 2, 3
B. 1 and 3
C. 2 and 4
D. 4 only
E. All of the above.
3. An extraction defect sounding (EDS) classification provides guidelines for implant placement.
EDS is useful for a satisfactory aesthetic outcome of an immediate implant supported anterior maxillary crown.
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.
4. Minimal intervention dentistry (MID) uses tunnel and slot preparations with no extension for prevention.
MID requires the assessment of the patient for caries risk.
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.
5. For a tooth extraction which of the following conditions no longer require antibiotic coverage?
1. Mitral valve prolapse.
2. Rheumatic heart disease.
3. Ventricular and atrial septal defects.
4. Prosthetic heart valve.
A. 1, 2, 3
B. 1 and 3
C. 2 and 4
D. 4 only
E. All of the above.
6. During root canal treatment of a tooth with irreversible pulpitis, ibuprofen administered one hour before local anaesthesia injection is an effective way of achieving deep anaesthesia.
During root canal treatment of a tooth with irreversible pulpitis, acetaminophen-codeine administered one hour before local anaesthesia injection achieves deeper anaesthesia than does ibuprofen.
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.
7. A combination of daily tooth brushing and an antimicrobial mouthrinse results in a higher interproximal plaque reduction than daily brushing and flossing.
A combination of daily tooth brushing and flossing is the best way to reduce interproximal plaque.
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. An electric pulp tester is contraindicated for use in a patient with an implanted pacemaker.
An electronic apex locator will interfere with the function of an implanted cardioverter/ defibrillator.
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.
9. For a composite resin restoration, 2% chlorhexidine digluconate applied after acid etching
1. reduces the rate of degradation of the hybrid layer.
2. inhibits metalloproteinase enzymes.
3. reduces bacterial content.
4. improves bond strength.
A. 1, 2, 3
B. 1 and 3
C. 2 and 4
D. 4 only
E. All of the above.
10. Diabetes mellitus patients can produce collagenase which destroys collagen of the periodontium.
Glycemic status of diabetics is improved by control of periodontal disease.
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.
11. Mineral trioxide aggregate and calcium hydroxide have similar pH readings.
In treatment of non vital teeth with open apices, mineral trioxide aggregate forms a faster apical barrier than calcium hydroxide.
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.
12. In posterior primary teeth, secondary caries is more prevalent with composite resin restorations than amalgam.
Fracture of restorations is dependent on size.
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.
13. A self-etching dual cure resin (Maxem) is the luting agent of choice for
1. metal inlays.
2. metal onlays.
3. full coverage restorations.
4. ceramic inlays.
A. 1, 2, 3
B. 1 and 3
C. 2 and 4
D. 4 only
E. All of the above.
14. In the development of periodontal disease, the specific plaque hypothesis implies that
1. occurrence of infection depends on a sufficient concentration of pathogens.
2. periodontal pathogens must express virulence factors.
3. the host’s immune response modulates disease progression.
4. only a limited group of bacteria have the capacity to cause periodontitis.
A. 1, 2, 3
B. 1 and 3
C. 2 and 4
D. 4 only
E. All of the above.
15. For treatment of nocturnal bruxism clonazepam is limited to short periods of use.
An occlusal splint is the most effective treatment to date of nocturnal bruxism.
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.
Answers to the October 2009 SLSA questions:
37. A
38. E
39. E
40. E
