Fig. 3From: Effects of gold nanoparticles combined with human β-defensin 3 on the alveolar bone loss of periodontitis in ratHistological examination of periodontal tissues measured by AuNPs combined with hBD3. a H&E staining (× 40), b Masson staining (× 40) (C, tooth crown; R, tooth root; AB, alveolar bone; PDL, periodontal ligament)Back to article page