Fig. 3
From: Improvement of biohistological response of facial implant materials by tantalum surface treatment
Photomicrographs of the histological slides. Photomicrographs of the histological slides showing biological responses toward Ta-treated and untreated facial implants. a Untreated silicone implant material and b Ta-treated silicone implant material. The two-headed arrows in a and b indicate the soft tissue thickness between the implant material and the bone at 8-week intervals. c Untreated ePTFE implant and d treated ePTFE implant material. The upwards filled arrows in c and d indicate newly formed bone between the implant material and the bone at 4-week intervals (H&E stain, × 400)