Product: 4PCS Transparent Silicone Thermoform Moldable Dental Mouth Guard, Whitening Teeth Trays Whitener Mouth Guard Care Oral Hygiene Bleaching Tooth Tool
Brand: VECANCE
Color: 4-pack
Making method is as follows:
1. Exercise wear dentures: wear the tray to the upper gum, sucking method using exhaust air between the denture and the gums,making the denture can wrap the entire surface of the tooth row. (Twice repeated practice, which is an important process of making 
tray The lower tray in the same way to practice).
2. Softening tray: the 80-90 °C degrees Celsius (about 194 degrees F) water into the ground vessel, water depth to be able to handle 
removed after immersion tray and leave in the water outside is appropriate, the denture immersed in water 10-15 seconds. (Denture very soft at the moment, so the immersion time not too long, soft denture made in elongation, slightly starts to deform appropriate).
3. Make mouthpiece: mouthpiece made carefully and quickly put on the tooth gum, sucking law continue to do step 1. Finger presseddenture tooth bondingsurface, making it thinner, while the top tight tongue and teeth denture inner surface. (Faster, be careful not to bite 
hard. Mouthpiece a little hot, but it will not cause any harm).
4. The trim tray: Remove the tray finger pressed after 12-15 seconds, rinse with water. Imprint along the tray out of the gum line (that line 
between the teeth and gums) with scissors to cut the excess material, and finally cut off the handle. (Cut above the gum line section, it 
can only make contact with the tooth gel, avoid stimulating the gums).
Made of food-grade silicone, safe, no toxin side effect. Each size (app): Size: 6.5 x 6 x 1.3cm / 2.55 x 2.3 x 0.51". No instruction, please read the description on listing carefully.
Usage Instructions: 1, Place tray into hot water about 80-90 °C degrees Celsius (about 194 degrees F) for 12-15 seconds to soften and remove from the water; 2, Place the trays into your mouth and press the bonding surface of tray and gum.
3, Cut the extra at the impressed gum-line and finish making the tray. 4, Apply the whitening gel in each tray to whiten your teeth. 5, The replacement time of the trays is 3-4 months.
Softening Tray: the 80-90 °C degrees Celsius (about 194 degrees F) water into the ground vessel, water depth to be able to handle removed after immersion tray and leave in the water outside is appropriate, the denture immersed in water 12-15 seconds. (Denture very soft at the moment, so the immersion time not too long, soft denture made in elongation, slightly starts to deform appropriate).
Please clean the tray with water before using. If the tray shape is not made well, you can repeat the process for the second mould.

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