Retief, D. H.2022-02-082022-02-081973Retief, D. H.1973. Failure at the dental restorative etched enamel interface. Elektronmikroskopieveriniging van Suidelike Afrika, 17: 89-90https://hdl.handle.net/10539/32706Dental Research Unit of the University of the Witwatersrand and the South African Medical Research CouncilNone of the restorative materials available to the dental profession adhere to tooth structure. The bonding of these materials could be greatly increased by etching the enamel surface prior to the placement of the restorative material. Conditioning of the enamel surface with phosphoric acid or an attenuated phosphoric acid solution is now an accepted procedure and widely applied in restorative and preventive dentistry.enDental EnamelDentalCalcium/analysisArticle