Table 4 Quality of life and acceptance of orthodontic treatment scores pre-retention and 12 months in retention.

From: Analysis of quality of life and periodontal health with an eight-unit maxillary fixed retainer through a prospective clinical trial

 

Pre retention (T0)

Post retention (T1)

Difference (T1-T0)

P value

OHIP-14 total score

Mean (SD)

4.07 (4.60)

2.21 (2.57)

− 1.86 (4.19)

0.04*

Median (IQR)

2.00 (1.25, 4.00)

2.00 (2.00, 2.00)

0.00 (− 3.00, 0.75)

Acceptance of orthodontic appliance scale

Mean (SD)

49.25 (0.80)

49.93 (0.26)

0.68 (0.86)

< 0.001*

Median (IQR)

49.00 (0.80)

50.00 (5.00, 50.00)

0.50 (0.00, 1.00)

  1. SD standard deviation, IQR interquartile range. *Statistically significant at p-value < 0.05.
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