Tooth - Anatomy & Physiology

Anatomy of the Enamel Organ

Histology of Enamel Organ - Copyright RVC 2008

The main components which form the enamel organ are:

• Outer epithelium
• Stellate reticulum- star shaped cells lying between the outer and inner epithelial layers. It has the appearance of connective tissue but is of epithelial derivation
• Inner epithelium which becomes the enamel secreting ameloblast layer
• The enamel organ has many different components. These consist of:
  • Crown
  • Root
  • Alveolar bone
  • Lamina dura
  • Enamel
  • Dentine
  • Cementum
  • Pulp
  • Periodontal ligament

Enamel Organ Layers - Copyright RVC 2008

• The main cells of the enamel organ are:
  • Ameloblasts
  • Odontoblasts
  • Cementoblasts