FP facebow recording Flashcards
why may a facebow record be required?
to allow casts to be mounted on a semi or fully adjustable articulator
what features does a denar semi adjustable articulator have?
condylar angle
bennet shift
can change bennet angle
why may a semi adjustable articulator be required?
to allow the relationship of the casts to be visualised in a number of functional positions during the planning stage
to allow the relationship to be changed by the waxing up or fabrication of restorations
when reorganising occlusion, what is used as the fulcrum?
condylar head
what does a facebow record?
the relationship of the maxillary teeth to the condylar head in a retruded position
what is a retruded position?
when the condylar head sits within the glenoid fossa in a posterior superior position
what are the 3 parts of a facebow?
measuring bow
transfer jig
reference plane locator