Localization of FACITs and SLRPs in predentin, dentin, periodontal ligaments, and alveolar bone at P11. Haematoxylin eosin staining of predentin/dentin and PDL in the crown (E) and root portions (G). Haematoxylin eosin staining of PDL and alveolar bone in the crown portion (F) and root portion (H). Expression of biglycan in predentin/dentin (E1), PDL (E1,F1) and alveolar bone (F1) in the crown portion; predentin/dentin/cementum (G1), PDL (G1,H1) and alveolar bone (H1) in the root portion. Expression of collagen XIIa in predentin/dentin (E2), PDL (E2,F2) and alveolar bone (F2) in the crown portion; predentin/dentin/cementum (G2), PDL (G2,H2) and alveolar bone (H2) in the root portion. Expression of collagen XIVa in predentin/dentin (E3), PDL (E3,F3) and alveolar bone (F3) in the crown portion; predentin/dentin/cementum (G3), PDL (G3,H3) and alveolar bone (H3) in the root portion. Expression of decorin in predentin/dentin (E4), PDL (E4,F4) and alveolar bone (F4) in the crown portion; predentin/dentin/cementum (G4), PDL (G4,H4) and alveolar bone (H4) in the root portion. Expression of fibromodulin in predentin/dentin (E5), PDL (E5,F5) and alveolar bone (F5) in the crown portion; predentin/dentin/cementum (G5), PDL (G5,H5) and alveolar bone (H5) in the root portion. Pd, Predentin; d, dentin; pdl, Periodontal ligaments; ab, alveolar bone; ce, cementum; BGN, biglycan; COL12, collagen type XIIa; COL14, collagen type XIVa; DCN, decorin; FMOD; fibromodulin; HE, haematoxylin/eosin. Scale bar = 25 μm.