Extrinsic stains - ANSWER- appear on the exterior of tooth and can be removed ex: food, drinks, and tobacco
Black line stain - ANSWERformation of a thin black to dark brown line slightly above the gingiva and following the contour of the gingival margin; found primarily in women and often in cas...
DASLE LDA Minnesota Questions &
Answers
Extrinsic stains - ANSWER- appear on the exterior of tooth and can be removed ex:
food, drinks, and tobacco
Black line stain - ANSWERformation of a thin black to dark brown line slightly above the
gingiva and following the contour of the gingival margin; found primarily in women and
often in cases of excellent oral hygiene
Air-powder polishing - ANSWERhigh-pressure stream of water and sodium bicarbonate
orange stain - ANSWERthis extrinsic stain is believed to be caused by chromogenic
bacteria often related to drug therapy such as antibiotics. It is uncommon but if it does
occur, it can be found on the lingual and facial surfaces of the anterior teeth near the
gingival margin.
Chlorhexidine Stain - ANSWERthis stain occurs with prolonged use of chlorhexidine
which is found in chewing gum and mouth rinse. It is yellowish to green to brown in
color and appears in restorations.
Intrinsic stains - ANSWERstains that are incorporated into the tooth structure, usually
during the tooth's development, ex tobacco stains, smoking, chewing or dipping.
Endogenous stains - ANSWERoriginate within the tooth through development and
systemic disturbances. CANNOT BE REMOVED. Caused by - amount of flouride during
formation of the tooth, medications used
Exogenous stains - ANSWERoriginate outside the tooth caused by environmental
agents
Dental fluorosis - ANSWERoccurs as a result of high concentrations of fluoride received
systemically during tooth development. The color of the stain varies from white to
yellow-brown or gray-brown. The outer surface may be pitted and rough depending on
severity. The stain is distributed relative
Pulp damaged or nonvital tooth stain - ANSWERthis type of intrinsic stain occurs when
the pulp is damaged or removed. This stain can vary in color from light yellow to black
to green to magenta and is caused by blood and pulp tissues seeping into the dentin
tubules.
, Tetracycline stain - ANSWERthe result of high concentrations of tetracycline antibiotics
taken during the time the tooth was developing. The stain varies in color from light
green or yellow to dark gray-brown
ZOE temporary luting cement - ANSWERmost common because they have a sedative
effect on sensitive teeth, eugenol can penetrate and diffuse through the dentin which
can affect the bond strength, this material presents an excellent antibacterial effect.
Polycarboxylate temporary luting cement - ANSWERDesigned to replace eugenol with
carboxylic acids that do not interfere with definitive cementation, they are compatible
with resin products, show greater retention compared with ZOE, they do not have
sedative effects on the pulp
Resin temporary luting cement - ANSWERpresent high strength, excellent retention,
better esthetics, easy cleanup, high incidence of microleakage, discoloration and odor
associated with their use
Aluminum crown - ANSWERcan be trimmed with the crown and bridge scissors (or
sometimes referred to as the crown and collar scissors), the sharp cervical margins can
be polished with a ribber abrasive wheel, the contouring pliers are used to crimp the
cervical margins of the crown toward the tooth to obtain a tight fit and proper cervical
contour
Classifications of cements type I - ANSWERluting agent - acts as an adhesive to hold
the indirect restoration to the tooth structure; includes temporary and permanent
cements
Type II cement - ANSWERused as a restorative material for restoring areas of erosion
in class V
Type III - ANSWERincludes liners and bases that are placed within the cavity prep
Type IV - ANSWERused for pit and fissures
Type V - ANSWERused in cementation of orthodontic bands and brackets
Type VI - ANSWERused for core buildup of a restoration
Permanent cements - ANSWERused for long-term cementation of cast-inlays, crowns,
bridges, laminate veneers, ortho fixed appliances (also referred to as a luting cement)
Glass Ionomer - ANSWERone of the most versatile types, adheres to enamel, dentin
and metallic materials.
Type I glass ionomer - ANSWERfor cementation of metal restoration and direct-bonded
ortho brackets
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