Flashcards in 3 Deck (15):
If lingual retentive arm used on one side
use on other.
Lingual retentive arms should not be used on
premolars - short mesial distal length is the reason.
Retentive arm tip should point
Short clasps lack the necessary
If no molars, acrylic to
If molars, acrylic
few mm into vestibule
Guide plates are ----- tooth width (rest width)
1/3rd, or 1/2 intercuspal
What is the shape of the occlusal rest
Retentive arm dimensions
1mm at tip, 2mm at plate
Minor connecctor for
2mm by 2mm
I bar dimesnions
2mm to undercut, 3mm down from tooth.
I bar should be placed in
greatest prominence. It should be free to rotate.
Can''t use I bar when tissue is
undercut, or when frenum or shallow vestibule present.