Nasmyth's Membrane / Enamel Cuticle
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Nasmyth's Membrane / Enamel Cuticle

Enamel

Oral Histology

Nasmyth's Membrane / Enamel Cuticle

  1. Nasmyth's membrane or primary enamel cuticle covers the entire crown of newly erupted teeth.
  2. Soon it is lost due to masticatory and mechanical forces.
  3. It is typical basal lamina secreted by ameloblasts after forming enamel.
  4. It is visible under light microscope because of its wavy course
  5. The surface of enamel of an erupted tooth is covered by a pellicle which is a precipitate of salivary proteins.
  6. It readily reappears even after a tooth is mechanically polished. Dental plaque readily forms over the pellicles.
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