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Table 3 Radiographic parameters: mean crestal bone loss in mm and the difference in mean crestal bone loss in mm at different time points

From: The influence of laser-microgrooved implant and abutment surfaces on mean crestal bone levels and peri-implant soft tissue healing: a 3-year longitudinal randomized controlled clinical trial

 

Baseline (6 weeks post-restoration)

P value

1 year post-restoration (mm)

P value

3 years post-restoration (mm)

P value

MCBL (mm)

 Control (10)

NA

1.08

 

1.93

< 0.001**

 Test (10)

NA

0.76

0.61

= 0.74

   

< 0.04*

 

< 0.001**

 

Difference in MCBL (mm)

 Control (10)

    

− 0.85

< 0.001**

 Test (10)

    

+ 0.15

  1. MCBL mean crestal bone loss, NA not applicable
  2. *Statistically significant
  3. **Statistically significant