Sl no Statement   School level Total Test statistics
  Middle
school
High
school
CC P Value
1 Are you aware of a dentist? F 4932 4116 9048 .008 .458
% 95.3% 95.0% 95.2%
2 Have you visited a dentist before? F 2332 1862 4194 .021 .040
% 45.1% 43.0% 44.1%
3 Have you heard of an Orthodontist? F 2070 1697 3767 .009 .403
% 40.0% 39.2% 39.6%
4 Are you aware that they align your teeth? F 2353 2040 4393 .016 .118
% 45.5% 47.1% 46.2%
5 Have you noticed people having irregular teeth? F 3728 3271 6999 .039 .000
% 72.1% 75.5% 73.6%
6 Do you believe teeth should be properly aligned for a better facial appearance? F 3612 3351 6963 .084 .000
% 69.8% 77.4% 73.3%
7 Do you know crooked teeth have ill effects? F 3029 2545 5574 .002 .848
% 58.6% 58.7% 58.6%
8 Have you seen people wearing braces? F 3828 3430 7258 .061 .000
% 74.0% 79.2% 76.4%
9 Have you ever felt the need to wear braces? F 2338 1839 4177 .028 .007
% 45.2% 42.5% 43.9%
10 Has anyone advised you to get your teeth aligned? F 2372 1745 4117 .056 .000
% 45.9% 40.3% 43.3%
11 Are you aware that few teeth may have to be
removed for aligning irregular teeth?
F 2717 2336 5053 .014 .173
% 52.5% 53.9% 53.2%
12 Does thumb-sucking has an effect on the front
teeth alignment?
F 2825 2225 5050 .032 .002
% 54.6% 51.4% 53.1%
13 Did you know taking braces treatment at the
earlier age would improve facial appearance?
F 2059 1793 3852 .016 .117
% 39.8% 41.4% 40.5%
14 Do you know the duration for braces treatment is
longer than other dental procedures?
F 1942 1754 3696 .030 .003
% 37.5% 40.5% 38.9%
15 Do you know the orthodontic treatment is costly? F 2117 1879 3996 .025 .016
% 40.9% 43.4% 42.0%
Table 2: Awareness scores between middle school and high school children.