jaw registration and registration

Question 1

resting face height

Answer 1

distance between two fixed points when the mandible is in the habitual postural positon
when patient relaxed and condyles in natural position in the glenoid fossa

Question 2

occlusal face height

Answer 2

distance between 2 fixed points when the upper and lower dentures are contacting in their max intercuspation
ideal 3mm less than RFH

Question 3

freeway space

Answer 3

difference between resting and occlusal face height

ideally 2-4mm

Question 4

what should the nasolabial angle be

Answer 4

near 90 degrees