Table 1.
Study groups with sleep duration, awake duration, detachment duration, and number of sleep-bruxism episodes before and after wearing OA for 3 months.
| Parameter | R1 * | R2 * | ||||||
|---|---|---|---|---|---|---|---|---|
| Min | Max | Median | Mean ± SD | Min | Max | Median | Mean ± SD | |
| Low sleep bruxism | ||||||||
| Hours of sleep | 3.80 | 9.40 | 6.95 (6.25–7.85) | 6.930 ± 1.470 | 5.70 | 9.50 | 7.10 (6.92–8.70) | 7.510 ± 1.164 |
| Sleep duration | 16.70 | 39.20 | 29.05 (26.15–32.70) | 29.000 ± 5.919 | 24.00 | 39.60 | 29.75 (28.90–36.45) | 31.400 ± 4.817 |
| Awake duration | 60.80 | 83.30 | 70.95 (67.30–73.85) | 71.010 ± 5.915 | 60.40 | 76.00 | 70.25 (63.55–71.10) | 68.600 ± 4.817 |
| Detachment duration | 0.00 | 7.00 | 0.000 (0.00–0.00) | 0.700 ± 2.214 | 0.00 | 16.40 | 0.00 (0.00–0.00) | 2.510 ± 5.152 |
| Number of SB episodes/h | 2.00 | 3.70 | 2.650 (2.45–3.37) | 2.850 ± 0.568 | 0.00 | 9.30 | 2.15 (1.07–4.07) | 2.850 ± 2.738 |
| Moderate sleep bruxism | ||||||||
| Hours of sleep | 6.30 | 9.00 | 7.30 (6.30–8.50) | 7.445 ± 1.026 | 5.00 | 9.00 | 7.200 (5.70–8.00) | 7.055 ± 1.303 |
| Sleep duration | 26.40 | 37.50 | 30.50 (26.60–35.30) | 31.100 ± 4.216 | 20.80 | 37.50 | 30.200 (25.00–33.30) | 29.745 ± 5.160 |
| Awake duration | 62.50 | 73.60 | 69.50 (64.70–73.40) | 68.900 ± 4.216 | 62.50 | 79.20 | 69.800 (66.70–75.00) | 70.255 ± 5.160 |
| Detachment duration | 0.00 | 7.50 | 0.00 (0.00–0.00) | 1.264 ± 2.822 | 0.00 | 17.40 | 0.400 (0.00–7.40) | 4.018 ± 5.802 |
| Number of SB episodes/h | 4.10 | 11.00 | 5.50 (4.20–8.20) | 6.159 ± 2.271 | 0.00 | 9.20 | 1.900 (1.30–6.75) | 3.370 ± 3.011 |
* R1 = first session of recording sEMG; R2 = second session of recording sEMG.