Abstract
The purpose of this work is to analyze changes in protein profile in the acquired pellicle formed on enamel and dentine at different times in situ after exposure to two types of acid: lactic and citric. 216 blocks of enamels and 216 of human dentin (3X3 mm) will be used. The experiments will be conducted on four consecutive days. Each day, volunteers (n = 9) will use a mandibular device c…