Similar questions:
The location and extent of subgingival calculus is most accurately determined clinically by
probing with a fine instrumentReleased Written Exam book 1 2006
The location and extent of subgingival calculus is most accurately determined clinically by
probing with a fine instrumentNDEB released questions part 2 set 10
A crown margin can be extended subgingivally when required
1. for esthetics.
2. to increase retention.
3. to reach sound tooth structure.
4. for caries prevention.
(1) (2) (3)
NDEB released questions part 2 set 11
A preparation for a porcelain fused to metal crown with a porcelain butt joint margin should have a
1. 90o cavosurface margin.
2. subgingival finish line.
3. 1.2mm shoulder.
4. 90o axiogingival angle.
(1) and (3)
NDEB released questions part 2 set 12
Which of the following should be done prior to pin hole placement in an extensive amalgam preparation?
1. Examine the radiograph.
2. Determine the subgingival anatomic contours.
3. Remove caries and unsupported enamel.
4. Place a pilot hole at the dentinoenamel junction.
(1) (2) (3)
NDEB released questions part 2 set 14
In long-standing gingivitis, the subgingival microflora shifts toward
Gram-negative anaerobic bacteriaNDEB released questions part 2 set 14
Antibiotic coverage should be provided when performing subgingival curettage for patients with
valvular heart disease.NDEB released questions set 5
Following subgingival curettage, the amount of gingival shrinkage depends upon
the degree of edematous hyperplasia present.NDEB released questions set 5
Which of the following should be done prior to pin hole placement in an extensive amalgam preparation?
1. Examine the radiograph.
2. Determine the subgingival anatomic contours.
3. Remove caries and unsupported enamel.
4. Place a pilot hole at the dentino-enamel junction.
(1) (2) (3)
NDEB released questions set 6
Subgingival calculus differs from supragingival calculus in that it
All of the above.NDEB released questions set 7
Which of the following periodontal procedures is indicated on a maxillary canine that will receive a full crown with subgingival margins when the abutment has 1mm of attached gingiva, no sign of inflammation or loss of attachment?
There is no indication that this tooth requires periodontal treatment.NDEB released questions set 8
To achieve optimum strength and esthetics, a porcelain fused to metal restoration with a porcelain butt joint margin requires a
1. 0.8 - 1.2mm shoulder.
2. sharp, well defined axiogingival line angle.
3. 90?- 100? cavosurface margin.
4. finish line that is 2mm subgingival.
(1) and (3)
NDEB released questions set 8
A preparation for a porcelain fused to metal crown with a porcelain butt joint margin should have a
1. 90 cavosurface margin.
2. subgingival finish line.
3. 1.2mm shoulder.
4. 90 axiogingival angle.
(1) and (3)
NDEB released questions set 10
The location and extent of subgingival calculus is most accurately determined clinically by
probing with a fine instrument.NDEB released questions set 11
Which of the following may affect probing depth measurements of a periodontal pocket?
1. Probing force.
2. Diameter of the probe tip.
3. Angulation of the probe.
4. Subgingival calculus.
All of the above.
NDEB released questions set 13

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