PAR

Question 1

What dose quantitative means?

Answer 1

The total of all features when given a predefined value = PAR

Question 2

Par - What is it ?

Answer 2

PAR is cumulative. Lots of different features are assessed totalled differences between pre and post recorded

Question 3

Talk about PAR

Answer 3

Developed to measure success or not of treatment
Applied to pre and post treated study models
Difference between the pre- and post-treatment PAR scores indicates the degree of improvement as a result of orthodontic treatment

Question 4

What can PAR show?

Answer 4

A method of measuring on study models the degree of
Deviance or irregularity or Wonkeyness from the Ideal
A way of seeing how much improvement has been achieved
The general quality of treatment of an operator or practice
Whether difficult cases are being treated

Question 5

What are the components of PAR?

Answer 5

U/L  andterior segments
Right/Left Buccal segments
Overjet
Overbite
Centreline

Question 6

Anterior segments What do you record in PAR?

Answer 6

contact points displacements

impacted teeth

Question 7

Buccal segments. What do you record in PAR?

Answer 7

scored in 3 planes of space left and right:
AP
Transverse= x bites, scissors bites
Vertical= open bites

Question 8

Overjet. What do you record in PAR?

Answer 8

Positive and negative OJ

Question 9

What are the weighting factors in PAR?

Answer 9

Anterior segments x 1
Buccal occlusion x 1
OJ x 6
OB x 2
C/L x 4

Question 10

Improvement in PAR

Answer 10

A reduction of PAR score by 22 is greatly improved
> 70% greatly improved
<30% no improvement

Question 11

What dose PAR stand for?

Answer 11

Peer Assessment Rating