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| TMJ Dysfunction | Number (%) | Mean age ± SD | 95% CI for Mean | |
|---|---|---|---|---|
| Lower bound | Upper bound | |||
| Without Dysfunction | 347 (69.4) | 20.56 ± 1.70 | 20.38 | 20.74 |
| Mild Dysfunction | 133 (26.6) | 20.68 ± 1.55 | 20.41 | 20.94 |
| Moderate Dysfunction | 17 (3.4) | 21.06 ± 1.81 | 20.12 | 21.99 |
| Severe Dysfunction | 3 (0.6) | 21.00 ± 1.00 | 18.52 | 23.48 |
TMJ: temporomandibular joint
