(1) Air-blast
The reduction in air Schiff sensitivity scores of Group TP at 4 weeks from baseline was significantly greater than the reduction in scores of group N (p = 0.0002) (Table Statistics of the Schiff sensitivity score and post-hoc analysis of the mixed effect model for repeated data [mixed effect model; LS mean and 95% CI].2.04 (1.91, 2.17)1.96 (1.82, 2.10)1.97 (1.84, 2.10)1.46 (1.32, 1.59)1.19 (1.05, 1.33)1.10 (0.97, 1.23)1.05 (0.92, 1.19)0.88 (0.74, 1.02)0.57 (0.44, 0.70)1.87 (1.72, 2.03)1.96 (1.79, 2.12)1.96 (1.80, 2.12)1.83 (1.68, 1.99)1.51 (1.35, 1.68)1.45 (1.30, 1.61)1.34 (1.18, 1.50)1.20 (1.03, 1.36)0.87 (0.71, 1.03)0.23 (0.16, 0.30)0.16 (0.09, 0.24)0.25 (0.18, 0.32)0.16 (0.09, 0.23)0.16 (0.08, 0.23)0.15 (0.08, 0.22)0.04 (-0.03, 0.12)0.05 (-0.03, 0.12)0.06 (-0.01, 0.13)4.05 (3.78, 4.31)4.29 (4.01, 4.57)3.75 (3.48, 4.01)3.51 (3.25, 3.77)3.72 (3.44, 4.00)3.17 (2.91, 3.44)3.13 (2.86, 
3.39)3.01 (2.73, 3.29)2.48 (2.21, 2.74)LS, least squares; CI, confidence interval; VAS, visual analog scale.Bold values mean statistical significance.