Table 2 Hard tissue components in percentages (%) in the various regions of the elevated area in the plasma and control sites after 2 weeks of healing. Mean values (in bold) ±standard deviation and 95% confidence interval (upper; lower)

12.1 ± 6.4

(8.1; 16.1)

5.2 ± 5.5

(1.8; 8.6)

17.3 ± 10.7

(10.6; 23.9)

42.7 ± 9.7

(36.7; 48.8)

11.5 ± 7.8

(6.7; 16.4)

5.1 ± 5.7

(1.6; 8.7)

16.6 ± 11.7

(9.4; 23.9)

46.5 ± 11.8

(39.2; 53.8)

0.646

0.635

0.575

0.169

2.1 ± 3.1

(0.2; 4.1)

1.0 ± 1.8

(− 0.1; 2.1)

3.1 ± 4.1

(0.6; 5.7)

58.0 ± 15.1

(48.6; 67.3)

2.1 ± 2.7

(0.5; 3.8)

1.9 ± 3.4

(− 0.2; 4.0)

4.0 ± 5.7

(0.5; 7.6)

59.9 ± 9.4

(54.1; 65.7)

1.000

0.465

0.345

0.721

6.9 ± 9.3

(1.2; 12.6)

2.4 ± 2.9

(0.6; 4.1)

9.3 ± 11.9

(1.9; 16.7)

55.1 ± 13.7

(46.6; 63.6)

4.0 ± 4.5

(1.2; 6.8)

5.3 ± 6.9

(1.0; 9.6)

9.4 ± 11.4

(2.3; 16.4)

51.7 ± 13.3

(43.4; 59.9)

0.310

0.075

0.866

0.284

3.3 ± 4.5

(0.5; 6.1)

0.6 ± 2.0

(− 0.6; 1.9)

4.0 ± 6.3

(0.1; 7.9)

56.3 ± 15.3

(46.8; 65.8)

5.2 ± 5.4

(1.9; 8.6)

2.5 ± 3.6

(0.3; 4.7)

7.7 ± 8.0

(2.8; 12.7)

52.6 ± 14.9

(43.4; 61.9)

0.271

0.068

0.128

0.767