Table 1. Characteristics of adolescents according to presence of TMD.
without TMDn (%) | with TMDn (%) | Totaln (%) | |||
Gender | Male | 16 (38.1%) | 26 (61.9%) | 42 (100%) | * |
Female | 5 (12.8%) | 34 (87.2%) | 39 (100%) | ||
Agea | 14 | 6 (66.7%) | 3 (33.3%) | 9 (100%) | |
15 | 6 (18.2%) | 27 (81.8%) | 33 (100%) | ||
16 | 5 (22.7%) | 17 (77.3%) | 22 (100%) | ||
17 | 3 (25.0%) | 9 (75.0%) | 12 (100%) | ||
18 | 1 (20.0%) | 4 (80.0%) | 5 (100%) | ||
Angle Classificationa | Class I | 11 (28.2%) | 28 (71.8%) | 39 (100%) | |
Class II | 1 (11.1%) | 8 (89.9%) | 9 (100%) | ||
Class III | 7 (36.8%) | 12 (63.2%) | 19 (100%) | ||
Mixed | 2 (14.3%) | 12 (85.7%) | 14 (100%) | ||
Type of bite | Normal | 16 (28.1%) | 21 (71.9) | 57 (100%) | |
Open bite | 3 (33.3%) | 6 (66.7%) | 9 (100%) | ||
Crossbite | 2 (13.3%) | 13 (86.7%) | 15 (100%) | ||
Clicking sounds | Absent | 12 (40%) | 18 (60%) | 30 (100%) | * |
Present | 9 (17.6%) | 42 (82.4%) | 51 (100%) | ||
Headachea | Absent | 20 (40.8%) | 29 (59.2%) | 49 (100%) | * |
Present | 1 (3.1%) | 31 (96.9%) | 32 (100%) | ||
Facial patterna | Dolichocephalic | 20 (25.6%) | 58 (74.4%) | 78 (100%) | |
Mesocephalic | 1 (33.3%) | 2 (66.7%) | 3 (100%) | ||
Breathing pattern | Nasal | 15 (23.4%) | 49 (76.6%) | 64 (100%) | |
Oral | 6 (35.3%) | 11 (64.7%) | 17 (100%) | ||
Parafunctional habitsa | Absent | 15 (26.8%) | 41 (73.2%) | 56 (100%) | * |
Nail biting | 3 (15.8%) | 16 (84.2%) | 19 (100%) | ||
Teeth clenching | 1 (50%) | 1 (50%) | 2 (100%) |
aFisher's exact test, * Statistically significant, p<0.05. NS: not significant