Auxillarys Duties Flashcards
what are cavity liners used for
to protect the pulpal floor from irritation and stimulate production of tertiary dentin
where is a cavity liner placed
the deepest portion of a cavity prep
not placed on cavity walls, vsco surface margins or retention areas
does cavity liners replace varnish and dentin sealers
no
what’s an insulating base used for
the protect the pulp from thermal and material irritation
when is a cavity varnish used
after the cavity liner you der amalgam restorations.
applied twice
gingival retraction is to
temporarily displaced tissues to widen sulcus for final impression material to capture prep margins
what are the three types of retraction cord
chemical (cord)
mechanical (crown)
surgical (laser or scalpel)
What is hemostatic solution used for
to control bleeding
epinephrine is added to retraction cords to help with
shrinking the tissues
who is contraindicated in the use of epi
cardiac patients
what alternative can be used to soak cords for cardiac patients
aluminum chloride
how long is a retraction cord left in place
5-7 minutes
4 types of pulp vitality testing
palpation
percussion
thermal
electronic
what can be used when conducting a cold pulp test
endo ice (ethyl chloride)
dry ice
ice
heat pulp tests are completed with the use of
heated gutta percha
heated instrument
frictional heat of prophy cup