Table 5.
Associations among bruxism, GERD, and severe tooth wear for different tooth surfaces after adjustment 1.
| Variables | Occlusal/Incisal | Palatal/Lingual | ||
|---|---|---|---|---|
| OR (95% CI) | p-Value | OR (95% CI) | p-Value | |
| Non-bruxism | Reference | Reference | ||
| Bruxism without GERD | 2.92 (1.92–4.45) | <0.001 | 2.72 (0.92–8.10) | 0.072 |
| Bruxism with GERD ≤5 years | 2.15 (0.81–5.74) | 0.125 | 8.52 (1.66–43.71) | 0.010 |
| Bruxism with GERD >5 years | 4.23 (1.84–9.75) | 0.001 | 8.57 (2.82–32.21) | 0.001 |
Abbreviations: CI, confidence interval; GERD, gastroesophageal reflux disease; OR, odds ratio. 1 Adjusted for age, sex, smoking, heavy drinking, tea consumption, acidic diet, and timely rinsing.