Denture design Flashcards
what colour do you draw PMMA
RED
what colour do you draw CoCr clasps and occlusal rests
green
what colour do you use for stainless steel clasps
purple
what colour do you use for gold clasps
yellow
what colour do you use for tooth prep
black
how much do you extend a lingual pmma plate on ant teeth
2/3rds
what part of the ss clasp engages the undercut
final 1/3rd
when designing an upper denture how much would you extend the plate onto the canine to prevent the lower teeth biting on the plate?
1/3rd up the canine
how thick should a cocr mid palatal bar be
7-12mm
types of CoCr lingual bars
lingual bar
lingual bar with 3 arm clasps
lingual bar with cummer arms
sub-lingual bar with cingulum rests
how much clearance should a sub-lingual bar have from the gingival margin
3 1/2 mm
how much anterior tooth crown height should there be for a dental bar to be prescribed?
9mm