EFDA Board Exam Graded A+
a film of sulfides on an amalgam restoration is - ANSWER-tarnish
a matrix band is made of what? - ANSWER-thin flexible steel
A matrix must be used to create a temporary wall for which of the following
classifications of tooth restoration? - ANSWER-II, III and IV
a prefabricated crown should exhibit what specific characteristics - ANSWER-fit snugly,
esthetically acceptable, contours are similar to natural teeth, adequate interproximal
contacts and aligned within arch, no more than 0.5 mm of space between margin and
crown
a tofflemire matrix band should extend beyond the cavity preparation and near the
gingiva by how far - ANSWER-1-1.5mm
a tooth that exhibits pain and sensitivity during mastication is a symptom of what -
ANSWER-premature occlusion
after placing an amalgam, the surface is somewhat rough. what can this result in? -
ANSWER-plaque being caught in restoration potentially causing decay
alginate impressions must be poured within ____ so that distortion does not occur -
ANSWER-1 hour
alveolar mucosa - ANSWER-Oral mucosa immediately apical to mucogingival junction
an alginate absorbing excess water is termed what? - ANSWER-imbibition
Angle Class I - ANSWER-nutroocclusion
Angle class II division 2 - ANSWER-is associated with lingually displaced maxillary teeth
and excessive labial inclination of the maxillary central incisors
Angle Class II Division I - ANSWER-overjet with anterior teeth protruded
angles class III - ANSWER-mesioocclusion or underbite
another name for a tofflemire? - ANSWER-universal retainer
another term for finger rest - ANSWER-fulcrum
at what point in a procedure is a mylar matrix placed? - ANSWER-before etching
, attatched gingiva - ANSWER-middle section of gums
besides hardness, size and shape of abrasive agents, what other factors must be
considered when polishing amalgams? - ANSWER-concentration of abrasive agent
buccal mucosa - ANSWER-Mucous membrane lining the cheek.
Buccal vestibule - ANSWER-Area between the cheeks and the teeth or alveolar ridge
cavity liner is used to - ANSWER-protect the pulp
cementation of ceramic or resin inlays, veneers, orthodontic bands, direct bonding or
orthodontic brackets and all metal castings can be done with what cement? - ANSWER-
composite resin cement
clear plastic retainers for placing composite resin are called what? - ANSWER-celluloid
or Mylar strips
Commissures - ANSWER-corners of the lips
composite resins that are light-cured and polished to a high gloss are - ANSWER-
microfilled
coronal polishing is limited to what portion of the tooth? - ANSWER-clinical crown
Course, extra course, medium, fine and extrafine are different _____ of polishing paste?
- ANSWER-grit
criteria of selection of restorations to be polished - ANSWER-no fractures to restoration,
proximal contact precent in class II restoration, anatomy can be maintained or
improved, margins can be contoured to be flush, occlusal can be maintained or
improved
decay that is found on proximal surfaces of anterior teeth is classified in black's
classification as - ANSWER-class III
Difference between ditching and flashing? - ANSWER-ditching- deficient amalgam
flashing- excess amalgam
dorsal - ANSWER-top of tongue
Dry angles are an effective way to control saliva secretions from - ANSWER-stensen's
duct
dry-angle isolation is recommended for what area of the mouth? - ANSWER-mandibular
posterior buccal quadrant
a film of sulfides on an amalgam restoration is - ANSWER-tarnish
a matrix band is made of what? - ANSWER-thin flexible steel
A matrix must be used to create a temporary wall for which of the following
classifications of tooth restoration? - ANSWER-II, III and IV
a prefabricated crown should exhibit what specific characteristics - ANSWER-fit snugly,
esthetically acceptable, contours are similar to natural teeth, adequate interproximal
contacts and aligned within arch, no more than 0.5 mm of space between margin and
crown
a tofflemire matrix band should extend beyond the cavity preparation and near the
gingiva by how far - ANSWER-1-1.5mm
a tooth that exhibits pain and sensitivity during mastication is a symptom of what -
ANSWER-premature occlusion
after placing an amalgam, the surface is somewhat rough. what can this result in? -
ANSWER-plaque being caught in restoration potentially causing decay
alginate impressions must be poured within ____ so that distortion does not occur -
ANSWER-1 hour
alveolar mucosa - ANSWER-Oral mucosa immediately apical to mucogingival junction
an alginate absorbing excess water is termed what? - ANSWER-imbibition
Angle Class I - ANSWER-nutroocclusion
Angle class II division 2 - ANSWER-is associated with lingually displaced maxillary teeth
and excessive labial inclination of the maxillary central incisors
Angle Class II Division I - ANSWER-overjet with anterior teeth protruded
angles class III - ANSWER-mesioocclusion or underbite
another name for a tofflemire? - ANSWER-universal retainer
another term for finger rest - ANSWER-fulcrum
at what point in a procedure is a mylar matrix placed? - ANSWER-before etching
, attatched gingiva - ANSWER-middle section of gums
besides hardness, size and shape of abrasive agents, what other factors must be
considered when polishing amalgams? - ANSWER-concentration of abrasive agent
buccal mucosa - ANSWER-Mucous membrane lining the cheek.
Buccal vestibule - ANSWER-Area between the cheeks and the teeth or alveolar ridge
cavity liner is used to - ANSWER-protect the pulp
cementation of ceramic or resin inlays, veneers, orthodontic bands, direct bonding or
orthodontic brackets and all metal castings can be done with what cement? - ANSWER-
composite resin cement
clear plastic retainers for placing composite resin are called what? - ANSWER-celluloid
or Mylar strips
Commissures - ANSWER-corners of the lips
composite resins that are light-cured and polished to a high gloss are - ANSWER-
microfilled
coronal polishing is limited to what portion of the tooth? - ANSWER-clinical crown
Course, extra course, medium, fine and extrafine are different _____ of polishing paste?
- ANSWER-grit
criteria of selection of restorations to be polished - ANSWER-no fractures to restoration,
proximal contact precent in class II restoration, anatomy can be maintained or
improved, margins can be contoured to be flush, occlusal can be maintained or
improved
decay that is found on proximal surfaces of anterior teeth is classified in black's
classification as - ANSWER-class III
Difference between ditching and flashing? - ANSWER-ditching- deficient amalgam
flashing- excess amalgam
dorsal - ANSWER-top of tongue
Dry angles are an effective way to control saliva secretions from - ANSWER-stensen's
duct
dry-angle isolation is recommended for what area of the mouth? - ANSWER-mandibular
posterior buccal quadrant
