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ADEX OSCE EXAM/136 QUESTIONS AND ANSWERS
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ADEX OSCE EXAM/136 QUESTIONS AND ANSWERS
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ADEX OSCE EXAM/136 QUESTIONSAND ANSWERS
thickness of minor RPD connectors - -1.5 mm
-Minimum space between vertical components of RPD - -5 mm
-Kennedy Class I - -bilateral distal extension
-Kennedy Class II - -unilateral distal extension
-Kennedy Class III - -entirely tooth born with teeth anterior and posterior
-Kennedy Class IV - -edentulous area anterior to remaining teeth
-Lingual bar distance from gingival margin - -3 mm
-Lingual bar width (minimum) - -4 mm
-Maxillary major connectors, how far from gingival margin - -6 mm
-Max RPD bead line width and depth - -.75-1 mm
-Anterior-posterior palatal strap, minimum distance between straps and
minimum width for each strap - -15 mm between, 6 mm anterior and 8 mm
posterior
-Palatal plate advised when? - -The last abutment on either side is a canine
or premolar
-Main function of indirect retainers - -prevents vertical dislodgement of the
distal extension base away from tissues (sticky food)
-Minimum number of rests for RPD - -3
-For a distal extension where is the rest on the most posterior tooth - -
mesial
-rest seat depth - -1.5 mm at marginal ridge and 2 mm in center, at least
2.5 mm wide
-what is prepared first? Guide planes or seats - -guide planes
, -extended occlusal rests used when? - -used when most posterior molar
abutment is mesially tipped in class II (mod I) and class III
-Cingulum rest depths - -2 mm wide (F-L), 2.5-3 mm (M-D), 1.5 mm deep
-Guide plane position relative to height of contour for classes of RPD - -Class
III and IV can end above the height of contour because there is no functional
movement. Class I and II must be below the height of contour (to prevent
torquing). With I-bars and mesial rests on premolars, must end exactly at the
height of contour.
-how to determine number of clasps - -kennedy classification + 1 (except
for class IV)
-Undercut of 0.01 - -cast clasp
-Undercut of 0.02 - -wrought wire (0.5 mm and must be at least 8 mm long,
18 gauge)
-chromium provides what - -corrosion resistance
-cobalt provides what - -rigidity
-Nickel provides what - -ductility
-What muscle dictates the DB of the mand flange of a denture - -masseter
-What muscle dictates the DL of the mand flange of a denture - -superior
constrictor muscle
-how far to trim back the custom tray from the mucosal reflection - -2 mm
-occlusion rim heights - -maxillary 22 mm, mandibular 18 mm
-The inferior surface of the maxillary occlusal rim should be parallel to... - -
Camper's Line (Ala-tragus Line) and inter-pupillary line
-primary and secondary support for mand denture - -primary - buccal shelf,
secondary - alveolar ridge
-Posterior palatal seal - -extends through the hamular notches, 2 mm in
front of fovea palatinae, carried 5 mm anterior to the vibrating line
-if denture falls down when smiling - -buccal notch and buccal flange are
excessively thick
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