Table 2: Mean OHIP-14 (subscale) scores and standard deviations at T1 and T2 (N = 129).

T1 T2
Mean SD Mean SD t (128) p-value
OHIP total 37.3 13.3 31.6 10.79 5.94 .000
1. Functional limitation 4.3 2.1 3.9 2.0 2.2 .032
2. Physical pain 6.7 2.2 5.4 2.0 5.7 .000
3. Psychological discomfort 6.5 2.3 5.6 2.2 4.4 .000
4. Physical disability 4.8 2.4 4.3 2.0 2.5 .016
5. Psychological disability 5.6 2.4 4.7 1.9 5.0 .000
6. Social disability 4.8 2.3 3.8 1.9 4.9 .000
7. Handicap 4.7 2.1 3.8 1.8 5.7 .000

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