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

Baseline1240.7578.971283.4266.66-1.43220.1667
4 weeks755.9234.51726.8324.182.39220.0258
12 weeks801.7527.47783.2534.921.44220.1633

Std: standard deviation.
df: degree of freedom.

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.