Teeth whitening: The bleaching gels aplly to the teeth, causes temporary porosity on the enamel of the teeth, so the elements that darkens the teeth will breathe trought it and "voila" the teeth look wither!
Answered 5/7/2016
4.7k views
Trays are made: First thing is you have impressions of your teeth, then models are made. Then flexible trays are made and then you are given the whitening gel to place in the trays.
Answered 3/29/2014
4.3k views
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