THE RELATIONSHIP BETWEEN ORTHODONTIC TREATMENT NEED AND ORAL HEALTH RELATED
QUALITY OF LIFE OF SCHOOL CHILDREN
Table 2 Characteristics and orthodontic treatment need of the subjects
Sample
Men
Women
Total
Number
343
341
684
Age(Mean± SD)
16 ±0.7
16 ±0.8
16 ±0.8
IOTN 1
65
93
158
IOTN 2
146
109
255
IOTN3
76
96
172
IOTN 4
25
16
41
IOTN 5
10
7
17
Previous Ortho
Treatment
21
20
41
need” (Table 1). The IOTN has problematic sinc