Table 7 Number of filled (T1), decayed (T2) and total number of filled and/or decayed (T1 + T2) of subjects with or 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 | |||||
T1 | 4.0 ± 0 | n.r. | 3.5 ± 2.1 | 8.0 ± 1.4 | 1.0 ± 1.4 |
T2 | 7.5 ± 0.7 | n.r. | 7.0 ± 2.8 | 2.5 ± 3.5 | 1.0 ± 1.4 |
T1 + T2 | 11.5 ± 0.7 | n.r. | 10.5 ± 4.9 | 10.5 ± 4.9 | 2.0 ± 0 |
Other subjects | |||||
T1 | 2.5 ± 2.8 | n.r. | 5.6 ± 3.5 | 7.3 ± 4.0 | 3.0 ± 2.1 |
T2 | 3.2 ± 4.1 | n.r. | 2.6 ± 3.4 | 1.0 ± 1.0 | 0.2 ± 0.5 |
T1 + T2 | 5.7 ± 5.2 | n.r. | 8.5 ± 5.2 | 8.3 ± 4.5 | 3.3 ± 1.8 |
No. 31 and 46 | |||||
T1 | 3.0 ± 4.2 | n.r. | 0 | 7.5 ± 2.1 | 1.0 ± 1.4 |
T2 | 7.5 ± 7.8 | n.r. | 6.0 ± 8.5 | 3.5 ± 4.9 | 3.5 ± 4.9 |
T1 and T2 | 10.5 ± 3.5 | n.r. | 6.0 ± 8.5 | 11.0 ± 2.8 | 4.5 ± 3.5 |
Other subjects | |||||
T1 | 3.6 ± 2.9 | n.r. | 5.5 ± 3.0 | 6.6 ± 3.5 | 2.6 ± 2.1 |
T2 | 3.6 ± 3.4 | n.r. | 1.7 ± 2.3 | 1.0 ± 1.2 | 1.2 ± 1.9 |
T1 + T2 | 7.4 ± 3.9 | n.r. | 7.2 ± 3.6 | 7.7 ± 3.6 | 3.8 ± 2.7 |
No. 59 and 60 | |||||
T1 | 2.0 ± 0 | n.r. | 2.5 ± 2.1 | 3.0 ± 1.4 | 5.5 ± 0.7 |
T2 | 2.0 ± 0 | n.r. | 1.5 ± 2.1 | 2.5 ± 2.1 | 0.5 ± 0.7 |
T1 + T2 | 4.0 ± 0 | n.r. | 4.0 ± 0 | 5.5 ± 0.7 | 6.0 ± 0 |
Other subjects | |||||
T1 | 2.2 ± 1.8 | n.r. | 3.4 ± 1.9 | 3.4 ± 1.1 | 3.8 ± 1.6 |
T2 | 2.7 ± 2.8 | n.r. | 1.1 ± 1.6 | 1.1 ± 1.4 | 0.7 ± 0.8 |
T1 + T2 | 5.0 ± | n.r. | 4.5 ± 2.0 | 5.5 ± 0.7 | 4.6 ± 1.9 |