Table 1 Basic clinical characteristics
Variables | Control  (n = 586) | Congenitally missing teeth (n = 583) | P value |
|---|---|---|---|
Age (years) | 38.33 ± 11.65 | 39.13 ± 11.67 | 0.242 |
Gender [n (%)] | Male: 287 (48.98) Female: 299 (51.02) | Male: 238 (40.82) Female: 345 (59.18) | 0.005 |
Number of congenitally missing teeth [n (%)] | Â | 1: 373 (63.98) 2: 179 (30.70) 3: 18 (3.09) 4: 10 (1.72) 5: 1 (0.17) 6: 2 (0.34) | Â |
Location of congenitally missing teeth [n (%)] | Â | Anterior: 515 (88.34) Posterior: 49 (8.40) With both anterior and posterior: 19 (3.26) | Â |
Non-congenitally missing teeth [n (%)] | 62 (10.58) | 60 (10.29) | 0.872 |
Visible third molar [n (%)] | 332 (56.66) | 285 (48.89) | 0.008 |
Orthodontic history [n (%)] | 20 (3.41) | 53 (9.09) | < 0.001 |
Overall TMD [n (%)] | 269 (45.90) | 392 (67.24) | < 0.001 |
Intra-articular TMD [n (%)] | 269 (45.90) | 383 (65.69) | < 0.001 |
Pain-related TMD [n (%)] | 13 (2.22) | 55 (9.43) | < 0.001 |