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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)

From: New bone ingrowth into β-TCP/HA graft activated with argon plasma: a histomorphometric study on sinus lifting in rabbits

  OB IBN Total new bone β-TCP HA
Bone walls plasma 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)
Bone wall control 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)
p 0.646 0.635 0.575 0.169
Central plasma 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)
Central control 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)
p 1.000 0.465 0.345 0.721
Sub-mucosa plasma 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)
Sub-mucosa control 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)
p 0.310 0.075 0.866 0.284
Close-to-window plasma 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)
Close-to-window control 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)
p 0.271 0.068 0.128 0.767
  1. OB outer bone, INB interpenetrating bone network. Total new bone = OB + INB. β-TCP HA residual alloplastic graft
  2. None of the difference was statistically significant.