Table 4 Overall improvement at 1 month, 2 as well as 6 months after repeated tender-point injections with active substance (GRA) or control substance (CTR) in 40 patients with myofascial temporomandibular disorders

Overall improvement

 “No change” to “Worse”

4

4

3

3

1

2

 “Better” to “Symptom-free”

16

14

13*

5

9*

3

  “Better”

9

8

6

2

3

1

  “Much better” or “Symptom-free”

7

9

7

3

6

2