Research Article
Occlusal Features and Temporomandibular Joint Disorder: A Cross-Sectional Study
Table 1
The number, percentage, Chi-square, and level of significance of TMD parameters in different Angle’s classification.
| | Angle’s class | Muscle pain | TMJ pain | Clicking | Chi-square | P value (significance) | | Present (N = 78) | Absent (N = 122) | Present (N = 63) | Absent (N = 137) | Present (N = 129) | Absent (N = 71) |
| | I | 30 (39%) | 51 (42%) | 27 (43%) | 54 (40%) | 46 (36%) | 31 (44%) | 13.059 | (HS) | | II | 12 (15%) | 22 (18%) | 12 (19%) | 27 (20%) | 29 (23%) | 9 (13%) | 19.05 | (HS) | | III | 15 (19%) | 16 (13%) | 5 (8%) | 24 (18%) | 22 (17%) | 8 (12%) | 18.697 | (HS) | | I– II | 12 (15%) | 20 (16%) | 12 (19%) | 20 (15%) | 20 (16%) | 13 (18%) | 4.69 | 0.170 (NS) | | I–III | 5 (6%) | 9 (7%) | 3 (5%) | 10 (7%) | 9 (7%) | 5 (7%) | 5.006 | 0.192 (NS) | | II–III | 4 (5%) | 4 (3%) | 4 (6%) | 2 (2%) | 3 (2%) | 5 (7%) | 1.167 | 0.811 (NS) | | Correlation | 0.969 | 0.921 | 0.876 | — | | Significance | | | |
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Strong positive correlation ( R > 0.7); HS, highly significance at NS, nonsignificance at . |
