Similar questions:
Bar clasp and circumferential clasp arms are similar in that both
1. terminate in a retentive undercut lying gingival to the height of contour.
2. originate from the framework and approach the tooth undercut area from a gingival direction.
3. provide retention by the resistance of metal to deformation rather than frictional resistance of parallel walls.
4. originate above the height of contour, traverse a portion of the suprabulge and approach the tooth undercut from an occlusal direction.
(1) and (3)
NDEB released questions set 6
The color of gingiva is influenced by
1. the degree of keratinization.
2. connective tissue vascularity.
3. amount of melanin pigmentation.
4. subgingival deposits.
All of the above
Planets 32
Poor oral hygiene during orthodontic treatment may result in
1. edema.
2. bleeding.
3. loss of stippling.
4. gingival desquamation.
(1) (2) (3)
Planets 32
I-bar clasp arms and circumferential clasp arms both
1. terminate in retentive undercuts lying gingival to the height of contour.
2. originate from the framework and approach the tooth undercut area from a gingival direction.
3. provide retention by the resistance of metal to deformation rather than frictional resistance of parallel walls.
4. are circular in cross-section
(1) and (3)
Planets 31
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