Baglar S - Objectives of this study were to assess the caries resistant effects of sub-ablative Er,Cr:YSGG laser irradiation alone and combined with fluoride in comparison with fluoride application alone on enamel prepared for veneer restorations and also to evaluate these treatments’ effects on the shear bond strength of all-ceramic veneer restorations. For preventing the prepared enamel to demineralization, sub-ablative Er,Cr:YSGG treatment alone or combined with fluoride was an as effective method as at least fluoride alone, with no negative effect on shear bond strength.