Table 4.
Associations among bruxism, GERD, and severe tooth wear for different tooth surfaces in the univariate analysis.
| Variables | Occlusal/Incisal | Palatal/Lingual | Buccal/Labial | Cervical | ||||
|---|---|---|---|---|---|---|---|---|
| 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 | 2.47 (1.74–3.49) | <0.001 | 3.30 (1.16–9.37) | 0.025 | 1.78 (0.67–4.75) | 0.246 | 1.03 (0.44–2.41) | 0.952 |
| Bruxism with GERD ≤5 years | 2.21 (0.98–4.98) | 0.057 | 8.59 (1.94–38.04) | 0.005 | 1.78 (0.22–15.87) | 0.560 | 2.25 (0.48–10.59) | 0.305 |
| Bruxism with GERD >5 years | 4.86 (2.48–9.52) | <0.001 | 15.19 (4.57–50.51) | <0.001 | 1.30 (0.16–10.88) | 0.806 | 2.37 (0.64–8.79) | 0.196 |
Abbreviations: CI, confidence interval; GERD, gastroesophageal reflux disease; OR, odds ratio.