Role of Etchant

I personally feel that the role of etchant is considered as the most negligible topic in Aesthetic dentistry, however clinician should understand that improper etching can effect on bonding as well on vitality of tooth.


  1. Physiology of Enamel & Dentin, Pulp
  2. Total & Selective, Self Etch concept.
  3. Importance of Time for etching