Effect of highly concentrated bleaching gels on enamel microhardness and superficial morphology, and the recovery action of four remineralizing agents

HIGHLIGHTS

• who: Maru00eda Melo from the The following experimental protocol was approved by the ethics committee of University of Valencia (procedure number, ), teeth (premolars and molars) extracted for periodontal reasons, free of pigmentation, cracks, structural defects, or caries lesions were used. Visual inspection of the potentially eligible teeth was performed under an optical microscope (40u00d7 magnification). The selected teeth were stored in distilled water at a constant temperature of , u00b0C until the beginning of the study. The buccal and palatal/lingual surfaces of the samples were cleaned using a pumice stone under low-speed rotation and water cooling . . .
  

   

  

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