and Answers A+ Guide
Distobuccal and distolingual extension of mandibular custom tray
corresponds with position and action of - correct
answers✅✅masseter
buccal vestibule area corresponds with - correct
answers✅✅buccinator muscle
provides best support
BUCCAL SHELF
Lingual frenum area of corresponds with - correct
answers✅✅genioglossus muscle- influences length of flange
during normal movements of tongue
Mandibular anterior labial area corresponds with - correct
answers✅✅mentalis.
elevates mandibular anterior labial area unless this border is
established by accurate border molding
Mucolabial fold
labial frenum corresponds with - correct answers✅✅orbicularis
oris
Retromylohyoid area is limited posteriorly by the action of
______________ and inferiorly by ____________________ - correct
answers✅✅Palatoglossus
Lingual slip of superior constrictor
, NBDE part 2- Prosthodontics Questions
and Answers A+ Guide
Lingual border of mandibular impression is influenced by -
correct answers✅✅palatoglossus, superior pharyngeal
constrictor, mylohyoid, genioglossus
Why do we extend the mandibular denture to the retromolard pad
area? - correct answers✅✅Basal bone under the retromolar
pad is resistant to resorption and if extension is short of
retromolar pad, marked ridge resorption with occur
Contraindication of reline - correct answers✅✅excessive
overclosure of vertical dimension- large decrease in vertical
dimension
Whistling can result if... - correct answers✅✅Vertical overlap is
not enough
Horizontal overlap is too much
area palatal to incisors is improperly contoured (too high/too
narrow)
Support vs. stability vs. retention of denture - correct
answers✅✅support: resistance to vertical seating forces
stability: necessary to resist dislodgement of a denture in the
horizontal direction
retention: ability of denture to withstand dislodging forces in
vertical plane