EXAM 2025
when do you border mold and take final impressions? - Answer
second visit
what are the 3 equally important steps in making the final
edentulous impression? - Answer 1. intraoral adjustment
of edentulous custom tray
2. border moulding
3. final impression
which step involves trays being placed intraorally and assessed
for support, stability, and retention? - Answer intraoral
adjustment of edentulous custom tray
which step is being shown? - Answer intraoral
adjustment of the edentulous custom tray
,when taking intraoral adjustments, you should place the tray in
the patient's mouth and hold it in place with your forefinger at
the height of the _____ to identify and reduce areas where the
tray is ____ - Answer palatal vault, overextended
borders of the trays are verified to make sure they are NOT ____
and NOT ____ - Answer overextended, sharp
which step involves the shaping of the peripheral areas of an
impression tray but the functional or manual manipulation of the
tissues adjacent to the edges of the tray? - Answer
border molding
what are the 5 objectives of an impression? - Answer
retention, stability, support, esthetics, health
which objective is shown in blue? - Answer support
why do we care so much about border molding properly? -
Answer to duplicate the contours and the varying
heights and widths of the patient's peripheral rolls
, what is the primary area of support in the maxilla? - Answer
horizontal segment of the hard palate
what are the primary areas of support in the mandible? - Answer
buccal shelf (cortical bone that does not resorb due to the
stimulation of the buccinator that can be covered by the denture
base as its fibers run horizontally) and posterior ridges
what are the secondary areas of support in the maxilla and
mandible? - Answer crest of the ridges
which objective is shown in red? - Answer retention
which objective of a denture is its resistance to removal in a
direction opposite that of its insertion? - Answer
retention
what are the 3 types of retention? - Answer adhesion,
cohesion, peripheral seal and atmospheric pressure
which type of retention involves the physical attraction of
UNLIKE particles and relies solely on the close adaptation of