Table 5: Distribution of Angle’s classification according to different age group.

Class IClass IIClass III
Age (years) 𝑛 𝑛 𝑛

5–1056 (13)28 (15.4)0 (0)
11–15170 (41)*88 (48.4)*8 (29)
16–2090 (22)34 (18.7)12 (43)*
21–2548 (12)14 (7.7)4 (14)
26–3026 (6)8 (4.4)2 (07)
31–358 (2)4 (2.2)0 (0)
36–406 (1.5)4 (2.2)2 (07)
41–454 (1)0 (0)0 (0)
46–504 (1)2 (1.1)0 (0)
51–552 (0.5)0 (0)0 (0)

Sum414 (100)182 (100)28 (100)

* 𝑃 < 0 . 0 5 ,   ** 𝑃 < 0 . 0 1 .