Nonetheless they can result in irritation and should not do the job at the same time. Some OTC kits feature a bendable mouthpiece. These function a lot better than one-dimensions-fits-all trays. The bleaching gels that are available in these kits aren’t as strong as those you have from a pro. https://socialrator.com/story7109203/teeth-whitening-south-africa-can-be-fun-for-anyone