Study experimental design
The experimental design for the present study is shown in Fig. Flow chart of study experimental designBriefly, the erosive wear preventive effect of Arg-NaF varnishes (Arg incorporated at 2, 4, and 8% Prior to subjecting the enamel specimens for treatment with varnishes and erosive challenges with PLM, a direct pH modulatory effect of the experimental and control varnishes coated on an inert material (Perspex®) when immersed in PLM was investigated.