highly significantp = 0.0002
At 6 months, both groups differed in a highly significant way: While ingrowth index in the CPC group was only 0.33%, it was 3.79% in the SPC group ( p = 0.0002) (Figure 6 ), indicating that after 6 months, a higher percentage of more than ten times in intra-implant bone formation occurred within the SPC implants.