Description: Item Type:Teeth Whitening Mouth Trays Material:other Color:as shown Quantity:4pc HOW TO USE: The method of making dental care: 1. Put the denture into 70 degrees of warm water for 10-15 seconds to make the denture soft. Don't use too hot 90 degrees hot water. This will make the denture crumple. When you see the edge of the denture is wrinkled, you can get it out. 2. Soft denture in the mouth, the wear on the gums, teeth between the bracket and the sucking force from the gums of the air, with the hand at the same time before and after the hard pressed denture and gum combination surface, and make the gums fit closely together to do so out of the denture is suitable for your tooth shape, attention faster, but don't bite; 3. Hand press good, about for about half a minute, at this time can take out the fixed type of tooth; 4. Along the established gingival line (the line between the teeth and gums), the scissors are used to cut off the excess materials, and the handle is cut off at the same time. When the handle is finished, the above part of the gingival line can be cut off, so that the gel can only contact with the tooth and avoid damaging the gingiva. FEATURES: This listing is for 4 Thermo Mouth Trays for Teeth Whitening using gel bleaches or can be used to help prevent Teeth Grinding. You receive 4 trays, two for your top set of teeth and two for your bottom set of teeth. Tips :Please be aware that there might be difference between the phsyical items and pictures because of varied monitoring and light, and the size might differ from 1-3cm according to manual measurement.