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Instructions for use:
Before the first use may have a slight smell, with warm water soak. Wash the corrector in hot water before use. If necessary, using a toothbrush and toothpaste for brushing, just began to use will have a foreign body sensation, nausea, slobber more, tooth pain and other symptoms, to adapt slowly will ease. The use of once time may not have obvious effect, need users perserve.