Table 6.
Associations among bruxism, GERD, and severe tooth wear for different tooth locations in the univariate analysis.
| Variables | Upper | Lower | Anterior | Posterior | ||||
|---|---|---|---|---|---|---|---|---|
| OR (95% CI) | p-Value | OR (95% CI) | p-Value | OR (95% CI) | p-Value | OR (95% CI) | p-Value | |
| Non-bruxism | Reference | Reference | Reference | Reference | ||||
| Bruxism without GERD | 2.57 (1.75–3.76) | <0.001 | 2.33 (1.63–3.32) | <0.001 | 2.63 (1.77–3.92) | <0.001 | 2.08 (1.44–2.99) | <0.001 |
| Bruxism with GERD ≤5 years | 1.95 (0.79–4.81) | 0.148 | 2.06 (0.89–4.74) | 0.091 | 3.19 (1.36–7.45) | 0.008 | 2.17 (0.94–5.02) | 0.069 |
| Bruxism with GERD >5 years | 5.29 (2.67–10.50) | <0.001 | 4.34 (2.21–8.51) | <0.001 | 4.97 (2.47–9.99) | <0.001 | 4.59 (2.33–9.01) | <0.001 |
Abbreviations: CI, confidence interval; GERD, gastroesophageal reflux disease; OR, odds ratio.