Occlusion and Restorative Dentistry 3

Question 1

What values are an average value articulator set at

Answer 1

Bennet angle - 15
Condylar angle - 30

Question 2

when using a facebow, what is the anterior reference point aiming to mark

Answer 2

position of the infraorbital foramen

Question 3

when would a con-formative approach to restorations not be used

Answer 3

• an increase in vertical height is required to make space for restorations
• tooth or teeth are significantly out of position
• a significant change in appearance is wanted
• history of occlusally related failure of fracture of existing restorations

Question 4

reorganised approach to restorations

Answer 4

planning to provide new restorations that match a different occlusion that what is currently there

Question 5

name 3 methods for achieving the retruded cuspal position

Answer 5

chin point guidance
chin point guidance with anterior jig
bimanual manipulation

Question 6

retruded arc of closure

Answer 6

arc of opening and closing made by the mandible whilst the condyles are rotating about the terminal hinge axis
initial tooth contact (RCP) can occur at any point on the retruded arc of closure