FP facebow recording

Question 1

why may a facebow record be required?

Answer 1

to allow casts to be mounted on a semi or fully adjustable articulator

Question 2

what features does a denar semi adjustable articulator have?

Answer 2

condylar angle
bennet shift
can change bennet angle

Question 3

why may a semi adjustable articulator be required?

Answer 3

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

Question 4

when reorganising occlusion, what is used as the fulcrum?

Answer 4

condylar head

Question 5

what does a facebow record?

Answer 5

the relationship of the maxillary teeth to the condylar head in a retruded position

Question 6

what is a retruded position?

Answer 6

when the condylar head sits within the glenoid fossa in a posterior superior position

Question 7

what are the 3 parts of a facebow?

Answer 7

measuring bow
transfer jig
reference plane locator