Evaluation of Dental Pulp Stem Cell Heterogeneity and Behaviour in 3D Type I Collagen Gels

Figure 5

SEM images of nonsenescent (30 PDs), high proliferative/multipotent DPSC subpopulation, A3, following seeding in type I collagen gels at (a) Day 1 (×700 magnification), (b) Day 1 (×2,500 magnification), (c) Day 12 (×1,100 magnification), and (d) Day 12 (×3,500 magnification).

(a)

(b)

(c)

(d)