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Fig. 2 | BMC Oral Health

Fig. 2

From: The impact of collagen membranes on 3D gingival fibroblast toroids

Fig. 2

Attachment and metabolic activity of gingival fibroblast toroids on plastic or collagen membranes. Gingival fibroblast toroids on plastic (N = 5) (a) did not show any changes in shape over 72 h, but were metabolically active as shown in relative fluorescence units (N = 3) (b). Gingival fibroblast toroids on collagen membranes showed dilatation after 48 h and 72 h (N = 5) (c) and were metabolically active over the whole observation period (N = 3) (d). Error bars represent standard deviation

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