Research Article

Evaluation of Osteogenic and Cementogenic Potential of Periodontal Ligament Fibroblast Spheroids Using a Three-Dimensional In Vitro Model of Periodontium

Figure 5

Periostin expression in (a) collagen-spheroids-dentin, (b) collagen monolayer fibroblast-dentin, (c) PGA-spheroid-dentin, and (d) PGA-monolayer fibroblast-dentin cultures after 20 days. Original magnification ×40 (scale bar = 50 μm).
(a)
(b)
(c)
(d)