![]() The good news is that the alginate sets quickly, so the discomfort doesn’t last long! There are ways around this, so be sure to speak with your dentist if you are worried about your gag reflex. For some people, dental impressions can trigger the gag reflex. This creates an exact replica of your teeth and gums that a dental lab can then use to fabricate your dental appliance.ĭental impressions are not a painful procedure, but some people may feel a little uncomfortable when the alginate is placed in their mouths. At the dental lab, stone will be poured into the impressions made by your teeth and gums. ![]() Once your dentist has taken your dental impression, they will send it to a dental lab where it will be used to create your custom dental appliance. The tray will then gently be removed from the mouth. Once the trays are in place, the alginate will slowly “set” and harden into a rubber-like consistency. When used on the lower teeth, the tray will also cover the floor of the mouth and under the tongue. ![]() When used on the upper teeth, the tray will also cover the roof of the mouth. Once the primary impression is taken, it is then used to create a tray that is customized for an individual patient. Custom Trays:Ĭustom trays are made from a primary impression taken using a stock tray. Most impressions can be successfully taken with stock trays due to the use of putty. They can be either plastic or metal and can either have rounded edges for people with no teeth or square edges for people with teeth. Stock trays come in a variety of shapes and sizes and are used to take primary impressions.
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