Definitions

Question 1

Bennett Shift/Movement

Answer 1

Bodily shift of mandible observed in the NW condyle during lateral excursions. Condyle moving MIA

Question 2

Bennett Angle

Answer 2

Angle formed by the NW condyle with the sagittal plane during lateral excursions of the mandible as viewed in the horizontal plane

Question 3

Fischer Angle

Answer 3

Angle formed by the intersection of protrusive and NW condylar paths viewed in the sagittal plane

Question 4

Ala-Tragus Line

Answer 4

Aka Campers Plane. Inferior border of ala to superior border of EAM. Used to establish inclination of occlusal plane

Question 5

Frankfort Horizontal Plane

Answer 5

Sup border of porion to inf border of orbitale. This plane is used as a reference to orient the maxillary cast during facebow registration

Question 6

House Personality’s

Answer 6

Philosophical, Hysterical, Exacting, Indifferent

Question 7

Theilman’s formula

Answer 7

K(balance) = IG X CG / (CH X OP X CC)

Question 8

Bergstrom point

Answer 8

Posterior point of reference that was found to best approximate the true hinge axis (THA). 10mm anterior to center of EAM and 7mm inferior to the FHP

Question 9

PDI Classifications for CE

Answer 9

Bone height
Residual ridge morphology
Muscle attachments
Maxillomandibular relationships