CEMENTUM

CEMENTUM

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FIG 5-1

Cementum

Cementum forming on a developing root. Cementoblasts (CB) have deposited a layer of cementoid (CD) on the surface of root dentin (D) at the dentinocemental junction (DCJ). Hertwig’s root sheath (HRS) has induced more odontoblasts (OD) from the pulp (H and E stain; ×400).

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).

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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).

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FIG 5-4

Acellular cementum

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

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FIG 5-5

Sharpey’s fibers

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

FIG 5-6

Cellular cementum

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Jan 5, 2015 | Posted by in General Dentistry | Comments Off on CEMENTUM
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