Nonetheless they could potentially cause irritation and should not function too. Some OTC kits have a bendable mouthpiece. These get the job done a lot better than a person-size-suits-all trays. The bleaching gels that come in these kits aren’t as potent as the ones you will get from a Professional. https://stephenundsh.wikiexpression.com/3204656/little_known_facts_about_teeth_whitening_sa