BioMed Research International / 2019 / Article / Tab 3

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 3

Mean grayscale values of 2 groups at cervical level.

PeriodLaserStd ControlStdt-valuedfp-value

4 weeks755.9234.51726.8324.182.39220.0258
12 weeks801.7527.47783.2534.921.44220.1633

Std: standard deviation.
df: degree of freedom.

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