Landmarks

Variables

Description

1

2

LR1R LR1L

Length of the right first ruga

Length of the left first ruga

3

4

LR3R

LR3L

Length of the right third ruga

Length of the left third ruga

5

DM1

Transverse linear distance between the medial points of the right and left first rugae

6

DM3

Transverse linear distance between the medial points of the right and left third rugae

7

DL1

Transverse linear distance between the lateral points of the right and left first rugae

8

DL3

Transverse linear distance between the lateral points of the right and left third rugae

9

APMR13

Anteroposterior distance between the medial points of the right first and third rugae

10

APML13

Anteroposterior distance between the medial points of the left first and third rugae

11

APLR13

Anteroposterior distance between the lateral points of the right first and third rugae

12

APLL13

Anteroposterior distance between the lateral points of the left first and third rugae

13

C-C

Distance between the occlusal tips of the canines

14

M-M

Distance between the mesio-buccal cusps of the first permanent molar

15

CR-MR

Distance of tips of the right canine and mesio-buccal cusp of first permanent molar

16

CL-ML

Distance of tips of the left canine and mesio-buccal cusp of first permanent molar

17

CR-ML

Distance of tips of the right canine and mesio-buccal cusp of left first permanent molar

18

CL-MR

Distance of tips of the left canine and mesio-buccal cusp of right first permanent molar