Expanded Functions Final Exam UPDATED ACTUAL Questions and CORRECT Answers

Expanded Functions Final UPDATED
ACTUAL Questions and CORRECT
Answers
A final impression must have fine detail - CORRECT ANSWER✔✔- true


If a dentist prepares a tooth/teeth and the preparation extends into the sulcus area; gingival
retraction is never used. - CORRECT ANSWER✔✔- false


Gingival retraction cord temporarily displaces the tissues and widens the gingival sulcus -
CORRECT ANSWER✔✔- true


Gingival retraction cord is placed after the preparation and just before the final impression -
CORRECT ANSWER✔✔- true


The chemicals in a chemical retraction cord causes the tissues to swell - CORRECT
ANSWER✔✔- false


The main goal when placing the retraction cord is to damage the tissue so you can pick up
fine detail of the preparation - CORRECT ANSWER✔✔- false


surgical retraction may be necessary if there is hypertrophied tissue present - CORRECT
ANSWER✔✔- true



a final impression is also referred to as a master impression - CORRECT ANSWER✔✔- true


in dentistry we used elastomeric materials to capture the fine details of the preparation -
CORRECT ANSWER✔✔- true


provisional coverage is a way to protect the tooth after it has been prepared - CORRECT
ANSWER✔✔- true

, bite registrations are taken to capture the relationship between the upper and lower arches -
CORRECT ANSWER✔✔- true


a patient normally wears provisional coverage for months at a time - CORRECT
ANSWER✔✔- false


after trimming to specifications an RDA can temporarily cement temporary provisional
crowns - CORRECT ANSWER✔✔- true


An aluminum crown provides the most natural looking appearance - CORRECT
ANSWER✔✔- false


Temporary cement can be left around the preparation to help insulate the temp - CORRECT
ANSWER✔✔- false


using large excess amounts of cement will allow the temporary to stay on more securely -
CORRECT ANSWER✔✔- false



name 3 types of retraction cord in dentistry - CORRECT ANSWER✔✔- twisted, untwisted,
braided


Define non-impregnated - CORRECT ANSWER✔✔- cord that doesn't contain chemicals and
only moves tissues with force


Define impregnated - CORRECT ANSWER✔✔- cord that contains 10% of a chemical to
help the tissues move


Can a dental assistant place retraction cord with a vasoconstrictor agent? - CORRECT
ANSWER✔✔- No



Dental varnish is used in the cavity preparation to - CORRECT ANSWER✔✔- seal dental
tubules, reduce leakage around a restoration