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Table 1 Dental anthropology data collection table

From: Study of twenty non-metric dental crown traits using ASUDAS system in NCR (India) population

 

Trait

Target tooth FDIa

Dichotomy expressionb

Dichotomy score (Tick the correct score observed on cast)

Dichotomy result

Yes

No

1

Winging

11, 21

(1A-2) / (1A-4)

1A

1B

2

3

4

  

2

Shoveling-1

21

(3-6) / (0-6)

0

1

2

3

4

5

6

  

3

Double shoveling

21

(2-6) / (0-6)

0

1

2

3

4

5

6

  

4

Shoveling-2

22

(3-7) / (0-7)

0

1

2

3

4

5

6

7

  

5

Interrupted groove

22

(M, D, MD, Med) / (0 - Med)

0

M

D

MD

Med

  

6

Tuberculum dentale

22

(1-9) / (0-9)

0

1

2

3

4

5

6

7

8

9

  

7

Mesial ridge (lingual)

23

(1-3) / (0-3)

0

1

2

3

  

8

Premolar accessory cusp-4

24

(1)/ (0-1)

0

1

  

9

Premolar accessory cusp-5

25

(1)/ (0-1)

0

1

  

10

Cusp of Carabelli

26

(5-7) / (0-7)

0

1

2

3

4

5

6

7

  

11

Hypocone absence

27

(0-1) / 0-5)

0

1

2

3

4

5

  

12

Lingual cusp variation

35

(1-9) / (0-9)

0

1

2

3

4

5

6

7

8

9

  

13

Sixth cusp

36

(1-5) / (0-5)

0

1

2

3

4

5

  

14

Seventh cusp

36

(1-4) / (0-4)

0

1

2

3

4

  

15

Deflecting wrinkle

36

(3) / (0 – 3)

0

1

2

3

  

16

Protostylid

36

(1-7) / (0-7)

0

1

2

3

4

5

6

7

  

17

Distal trigonid crest

36

(1)/ (0-1)

0

1

  

18

Hypoconulid absence

37

(0) / (4-5)

0

4

5

  

19

Cusp number

37

(4) / (4, 5)

4

5

  

20

Y groove pattern

37

(y) / (Y, +, X)

Y

+

X

  
  1. aFédération Dentaire Internationale (FDI) tooth-numbering
  2. b(Present range of grades) / (total range of grades)