Powered by Blogger.
RSS

GUIDING PLANE


GUIDING PLANE
q  Two of more parallel vertical surfaces of abutment teeth
q  Control & limit movement of RPD
q  Initial contacts for RPD
q  Guide surfaces
q  May occur naturally
q  May have to be prepared
q  By minimal shaping of the enamel(>0.5mm)
q  By building appropriate surface into a cast metal restoration
q  Are prepared where rigid components contact the abutment
q  Proximal plates
q  Bracing arm
q  Rigid portion of the retentive arm
Effectiveness of Guideplanes
           Most effective when:
q  Parallel to each other
q  Directly opposing each other
q  More than one common axial surfaces
q  Prepared on several teeth
q  Cover a large surface area
q  Class I & II – use short guide planes
q  Class III & IV – use long guide planes

  • Digg
  • Del.icio.us
  • StumbleUpon
  • Reddit
  • RSS

0 comments:

Post a Comment