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Representative FESEM micrograph for the dentine surface after brushing for seven days with saliva immersion using (A) Artificial saliva; (B) EB@TiO 2 ; (C) Colgate Pro-relief; (D) Sensodyne repair (1–7 represents with the respective desensitizing paste, and 8 post acidic exposure). FESEM, field scanning electron microscope. EB@TiO 2 , eggshell-titanium dioxide.
