Table 5 Unassisted maximum opening (mm) in subjects with and those without persistent TMJ clicking (continuing for more than two years)
From: Longitudinal course of temporomandibular joint sounds in Japanese children and adolescents
Subjects | 1988 | 1989 | 1990 | 1991 | 1992 |
|---|---|---|---|---|---|
No. 12 and 18 | 41.0 ± 0 | 41.5 ± 2.1 | 45.0 ± 4.2 | 50.0 ± 1.4 | 45.0 ± 0 |
Other subjects | 42.4 ± 2.8 | 44.7 ± 4.4 | 45.6 ± 3.4 | 45.8 ± 3.2 | 45.4 ± 3.2 |
No. 31 and 46 | 45.5 ± 6.4 | 48.0 ± 4.2 | 47.0 ± 1.4 | 44.5 ± 0.7 | 47.0 ± 4.2 |
Other subjects | 42.5 ± 4.2 | 45.5 ± 1.0 | 46.1 ± 1.0 | 47.0 ± 3.0 | 56.9 ± 5.5 |
No. 59 and 60 | 49.7 ± 3.2 | 53.0 ± 5.6 | 57.5 ± 4.9 | 60.5 ± 7.8 | 62.0 ± 5.7 |
Other subjects | 45.0 ± 4.8 | 47.7 ± 4.0 | 47.8 ± 3.9 | 49.5 ± 3.9 | 50.4 ± 3.5 |