Dr. WHITEN whitening agents include How to use Dr. WHITEN Mix the water agent and nano whitening powder into a paste (note: slowly add the water agent to the powder and stir, the consistency is subject to the whitening agent being picked up with a brush and not dripping, it should not be too thick) Apply the adjusted whitening agent to the top and bottom The tooth surface consists of 16 or more tooth surfaces with a thickness of about 2-3 mm.
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