BioMed Research International / 2019 / Article / Tab 5

Research Article

Photobiomodulation by a 635nm Diode Laser on Peri-Implant Bone: Primary and Secondary Stability and Bone Density Analysis—A Randomized Clinical Trial

Table 5

Mean grayscale values of 2 groups at apical level.

PeriodLaserStd ControlStdt-valuedfp-value

4 weeks465.8334.80700.3347.34-13.83220.0000
12 weeks708.08121.43439.5027.067.48220.0000

Std: standard deviation.
df: degree of freedom.

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