Table 1. Total episodes and duration of bruxism events during 8 hrs sleep before, 6 and 12 weeks after.

	n	Before	6 weeks	12 weeks	F	P	Before	6 weeks	12 weeks	F	p
Episodes (times)						duration (second)
GTB	12	10.2±2.8	3.2±1.2	3.3 ±1.4	14.44	0.00	17.3±9.6	9.6±3.2	8.9±2.7	3.83	0.004
GTO	12	11.9±5.7	12.3±6.0	11.4±3.7			14.8±5.5	15.4±6.0	14.0±6.1

Tukey HSD test, within GTB, 6 weeks vs. before: episodes p = 0.001, duration P = 0.026. 12 weeks vs. before: episodes p = 0.001, duration p = 0.012. Within GTO, 6 weeks vs. before: episodes P = 0.998, duration P = 0.999.12 weeks vs. before: episodes p = 0.970, duration p = 0.999. Between GTB and GTO, 6 weeks: episodes P = 0.000, duration p = 0.172. 12 weeks: episodes p = 0.000, duration P = 0.305.