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Histologic sections of (a,b,e,f,i,j) Bio-Oss and (c,d,g,h,k,l) Bone-XP groups at 4 weeks post-surgery. (a,c,e,g,i,k) haematoxylin and eosin (H&E) stained slides; (b,d,f,h,j,l) Masson’s trichrome (MT) stained slides; Arrowhead: original defect edge; Arrow: lines of osteoblasts NB: newly generated bone; CT: connective tissue; BM: residual bone grafts. [Original magnification: (a–d) ×12.5, (e–h) ×40, (i–l) ×100].
