Question 352 · LDEK · Adhesive systems

The term „hybrid layer” denotes:

  1. A. layer that forms due to bacterial biofilm activity on a restoration surface.
  2. B. inside layer of a carious lesion, i.e. the layer in which infected dentin contacts demineralized dentin.
  3. C. layer that forms due to the penetration of adhesive resin into the matrix of collagen fibres.
  4. D. layer that forms in bleaching, due to the oxygenation of the chemicals that are responsible for discoloration.
  5. E. layer of cells at the apical constriction, i.e. where the cells of the periapical periodontium interdiffuse with the cells of dental pulp.
Hint

Think of Nakabayashi and what forms when resin infiltrates acid-etched dentin.

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