[Table/Fig-1]:

Shows the mean T1 and mean T2 scores and the mean reduction in the factors and the total PIDAQ scores at pretreatment and at one year of fixed orthodontic treatment and the level of significance (n=93).

Factors	T1	T2	Mean reduction (T2 - T1) + SD	95% Confidence interval of the difference		p-value*
	Mean+SD	Mean+SD		Lower	Upper
Dental self confidence	19.19 ± 5.25	9.66 ± 5.60	9.53 ± 6.73	8.15	10.92	0.001
Social impact	17.01 ± 8.19	8.61 ± 6.31	8.39 ± 7.49	6.85	9.94	0.001
Psychosocial impact	15.29 ± 4.99	7.96 ± 5.47	7.33 ± 6.09	6.08	8.59	0.001
Aesthetic concern	8.10 ± 3.35	3.82 + 3.34	4.28 ± 3.85	3.49	5.07	0.001
Total PIDAQscore	59.59 ± 16.56	30.04± 16.39	29.54 ± 20.08	25.41	33.68	0.001

^*p-value<0.001 by paired t-test