Age category in years
Total (n)

15
(18)

16
(19)

17
(16)

18
(21)

19
(37)

20
( 47)

21
(24)

22
(16)

23
(8)

% of subjects showing complete development of 3rd molars (n)

5.55
(1 )

5.26
(1)

6.25
(2)

23.81
(5)

54.05
(20)

72.34
(34)

54.17 (13)

75
(12)

75
(6)

% of subjects showing complete development of all 4 third molars (n)

5.55
(1 )

0
(-)

3.13
(1)

14.29
(3)

27.02
(10)

40.43
(19)

45.83
(11)

62.5
(10)

37.5
(3)

% of subjects showing complete development of < 4 third molars (n)

0
(-)

5.26
(1)

3.12
(1)

4.76
(2)

27.02
(10)

31.91
(15)

8.33
(2)

12.5
(2)

37.5
(3)