Similar questions:
For composite resin preparations, cavosurface enamel margins are bevelled because
1. a bevelled margin produces a more favorable surface for etching.
2. a bevelled margin improves the edge strength of the composite resin.
3. after etching, the bonding agent reduces microleakage.
4. the procedure eliminates the need to polish the restoration.
(1) and (3)
NDEB released questions set 1
In the restoration of a tooth, cavity varnish reduces
ion migration from amalgam to tooth.NDEB released questions set 1
In the restoration of the proximal surfaces of posterior teeth, periodontal involvement is most likely to develop when the restoration
has an inadequate contactNDEB released questions part 2 set 1
For composite resin preparation, cavosurface enamel margins are beveled because
(1) a beveled margin produces a more favorable surface for etching
(2) a beveled margin improves the edge strength of the composite resin
(3) after etching, the bonding agent reduces microleakage
(4) the procedure eliminates the need to polish the restoration
(1) (3)
NDEB released questions 2012 online set 1
In the restoration of a tooth, cavity vanish reduces:
ion migration from amalgam to toothNDEB released questions 2012 online set 1
For composite resin preparations, cavosurface enamel margins are bevelled because
1. a bevelled margin produces a more favorable surface for etching.
2. a bevelled margin improves the edge strength of the composite resin.
3. after etching, the bonding agent reduces microleakage.
4. the procedure eliminates the need to polish the restoration.
(1) and (3)
NDEB released questions 2012 online set 2
Amalgam is condensed in order to
1. adapt the amalgam to the cavity walls, floor and margins.
2. develop a uniform compact mass with minimum voids.
3. reduce excess mercury content.
4. overbuild the restoration to allow ‘carve back’ to eliminate the mercury-rich outer layer.
All of the above
NDEB released questions part 2 set 12
The use of an etchant and bonding system before insertion of a composite resin restoration results in
1. improved retention of the restoration.
2. decreased marginal leakage.
3. reduced polymerization shrinkage effect.
4. greater strength of the restoration
(1) (2) (3)
NDEB released questions part 2 set 13
For composite resin preparations, cavosurface enamel margins are bevelled because
1. a bevelled margin produces a more favorable surface for etching.
2. a bevelled margin improves the edge strength of the composite resin.
3. after etching, the bonding agent reduces microleakage.
4. the procedure eliminates the need to polish the restoration
(1) and (3)
NDEB released questions part 2 set 16
The use of an etchant and bonding system before insertion of a composite resin restoration results in
1. improved retention of the restoration.
2. decreased marginal leakage.
3. reduced polymerization shrinkage effect.
4. greater strength of the restoration.
(1) (2) (3)
NDEB released questions set 8
A 78-year old patient presents with several carious lesions on the root surfaces of the maxillary posterior teeth. The restorative material of choice is
glass ionomer cement.NDEB released questions set 8
For composite resin preparations, cavosurface enamel margins are bevelled because
1. a bevelled margin produces a more favorable surface for etching.
2. a bevelled margin improves the edge strength of the composite resin.
3. after etching, the bonding agent reduces microleakage.
4. the procedure eliminates the need to polish the restoration.
(1) and (3)
NDEB released questions set 10
The most important factor contributing to the long term success of the restoration of an endodontically treated tooth is the
remaining coronal tooth structure.NDEB released questions set 11
For composite resin preparations, cavosurface enamel margins are bevelled because
1. a bevelled margin produces a more favorable surface for etching.
2. a bevelled margin improves the edge strength of the composite resin.
3. after etching, the bonding agent reduces microleakage.
4. the procedure eliminates the need to polish the restoration.
(1) and (3)
Planets 35
Two weeks following the placement of a restoration, a patient complains of pain to hot and cold in the restored tooth. The most likely diagnosis is
reversible pulpitisHistory 1
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