How To Mold A Mouthguard For Teeth Whitening. It usually takes several weeks to achieve the desired results depending on the degree of staining and the desired level of whitening. You need enough boiling water to submerge the mouthguard in it for between 30 and 60 seconds.
Hot water will ruin the mold of the boil and bite and can change the structure of a custom made mouthguard. Your dentist can take a mold of your mouth then use durable plastic to make the mouthguard. A mouthguard is an oral appliance made of flexible plastic that fits over your teeth.
The dentist dispenses a whitening gel that the patient will place in the customized mouthguard.
In many cases, you only need an upper guard. There are various benefits to wearing a mouthguard, some of which include the following: It protects both your upper (top) and lower (bottom) teeth. First, a mold is made of your mouth.