FIG 5-2

Dentinocemental junction

Transverse section of a tooth in situ. Acellular cementum (AC) has been deposited on the dentin (D). The dentinocemental junction (DCJ) is prominent. Periodontal ligament (PDL) extends from the cementum to the alveolar bone (B) (H and E stain; ×160).

FIG 5-3

Dentinocemental junction

Higher magnification of the dentinocemental junction (DCJ), acellular cementum (AC), and periodontal ligament (PDL) shown in Fig 5-2 (×400).

FIG 5-4

Acellular cementum

Cementoblasts (CB) and cementoid (CD) on the surface of acellular cementum (AC) (H and E stain; ×640).

FIG 5-5

Sharpey’s fibers

Sharpey’s fibers (SF) in acellular cementum (H and E stain; ×400).

FIG 5-6

Cellular cementum