4pcs transparent silicone thermoform moldable dental mouth guard, whitening teeth trays whitener mouth guard care oral hygiene bleaching tooth tool vecance <p>making method is as follows:</p><p><br></p><p>1. exercise wear dentures: wear the tray to the upper gum, sucking method using exhaust air between the denture and the gums,</p><p>making the denture can wrap the entire surface of the tooth row. (twice repeated practice, which is an important process of making <br></p><p>tray the lower tray in the same way to practice).</p><p><br></p><p>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 <br></p><p>removed after immersion tray and leave in the water outside is appropriate, the denture immersed in water 10-15 seconds. </p><p>(denture very soft at the moment, so the immersion time not too long, soft denture made in elongation, slightly starts to deform appropriate).</p><p><br></p><p>3. make mouthpiece: mouthpiece made carefully and quickly put on the tooth gum, sucking law continue to do step 1. finger pressed</p><p>denture tooth bondingsurface, making it thinner, while the top tight tongue and teeth denture inner surface. (faster, be careful not to bite <br></p><p>hard. mouthpiece a little hot, but it will not cause any harm).</p><p><br></p><p>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 <br></p><p>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 <br></p><p>can only make contact with the tooth gel, avoid stimulating the gums).</p>