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International Journal of Implant Dentistry

Table 3 Radiographic marginal bone level and clinical recession on neighbouring tooth surface

From: A clinical and radiographic study of implants placed in autogenous bone grafts covered by either a platelet-rich fibrin membrane or deproteinised bovine bone mineral and a collagen membrane: a pilot randomised controlled clinical trial with a 2-year follow-up

Group

Baseline (mean, 95% CI)

Follow-up (mean, 95% CI)

Difference (mean, 95% CI)

p value

Radiographic marginal bone level in mm

 Test

1.94 (1.50 to 2.38)

2.07 (1.64 to 2.51)

− 0.14 (− 0.25 to − 0.02)

p = 0.03

 Control

2.34 (1.62 to 3.08)

2.49 (1.73 to 3.26)

− 0.15 (− 0.26 to − 0.04)

p = 0.01

   

p = 0.87

 

Recession in mm

 Test

0.88 (0.42 to 1.35)

1.10 (0.65 to 1.55)

− 0.22 (− 0.62 to 0.19)

p = 0.26

 Control

1.17 (0.47 to 1.86)

1.23 (0.69 to 1.78)

− 0.07 (− 0.74 to 0.60)

p = 0.83

   

p = 0.57

 
  1. Radiographic marginal bone level and clinical recession on neighbouring tooth surfaces at the time of baseline (before primary surgery) and at follow-up in the test and control group. The p values were calculated using the two sample t test with equal variance
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