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)

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

n.r.: not registered