BioMed Research International

Clinical Study

Does the Laser-Microtextured Short Implant Collar Design Reduce Marginal Bone Loss in Comparison with a Machined Collar?

Table 3

Marginal bone loss with M group and L group implants at the 3-year follow-up examination.
 L ()M ()⁢⁢⁢
MeanMesialDistalMeanMesialDistal
Median (, )Median (, )Median (, )Median (, )Median (, )Median (, )
3 m0.27 (0.25, 0.29)0.23 (0.22, 0.28)0.29 (0.25, 0.31)0.68 (0.65, 0.72)0.65 (0.61, 0.69)0.71 (0.69, 0.74)0.001 0.001 0.001
12 m0.47 (0.43, 0.48)0.41 (0.39, 0.46)0.50 (0.46, 0.54)1.33 (1.25, 1.42)1.26 (1.08, 1.35)1.41 (1.27, 1.47)0.001 0.001 0.001
24 m0.48 (0.45, 0.5)0.43 (0.40, 0.46)0.51 (0.47, 0.55)1.37 (1.28, 1.45)1.30 (1.18, 1.40)1.43 (1.31, 1.51)0.001 0.001 0.001
36 m0.49 (0.47, 0.5)0.45 (0.42, 0.47)0.52 (0.48, 0.55)1.38 (1.29, 1.46)1.31 (1.20, 1.41)1.45 (1.32, 1.53)0.001 0.001 0.001
 ⁢ 0.001 ⁢ 0.001 ⁢ 0.001 ⁢ 0.001 ⁢ 0.001 ⁢ 0.001  
 Median (, )⁢Median (, )⁢Median (, )⁢Median (, )⁢Median (, )⁢Median (, )⁢⁢⁢⁢
3 m–12 m0.20 (0.16, 0.23)0.001 0.18 (0.13, 0.21)0.001 0.22 (0.17, 0.25)0.001 0.65 (0.54, 0.71)0.001 0.63 (0.41, 0.70)0.001 0.69 (0.56, 0.76)0.001 0.001 0.001 0.001
3 m–24 m0.22 (0.17, 0.24)0.001 0.20 (0.15, 0.23)0.001 0.23 (0.18, 0.26)0.001 0.69 (0.59, 0.74)0.001 0.67 (0.49, 0.74)0.001 0.70 (0.58, 0.80)0.001 0.001 0.001 0.001
3 m–36 m0.23 (0.18, 0.25)0.001 0.20 (0.17, 0.23)0.001 0.24 (0.18, 0.27)0.001 0.70 (0.63, 0.77)0.001 0.70 (0.53, 0.77)0.001 0.72 (0.59, 0.83)0.001 0.001 0.001 0.001
12 m–24 m0.02 (0.01, 0.02)0.001 0.02 (0.01, 0.03)0.001 0.01 (0, 0.02)0.001 0.03 (0.02, 0.04)0.001 0.03 (0.01, 0.05)0.001 0.02 (0.01, 0.04)0.001 0.001 0.013 0.001
12 m–36 m0.02 (0.02, 0.03)0.001 0.03 (0.01, 0.04)0.001 0.02 (0.01, 0.02)0.001 0.04 (0.03, 0.05)0.001 0.04 (0.03, 0.07)0.001 0.04 (0.02, 0.05)0.001 0.001 0.001 0.001
24 m–36 m0.01 (0.01, 0.02)0.001 0.01 (0, 0.02)0.001 0.01 (0, 0.01)0.001 0.01 (0.01, 0.02)0.001 0.02 (0.01, 0.02)0.001 0.01 (0, 0.02)0.001 0.001 0.007 0.017
Mann–Whitney test, Wilcoxon signed ranks test, and Friedman test.
⁢; .