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A dental impression is a negative imprint of hard and soft tissues in the mouth from which a positive reproduction, such as a cast or model, can be formed. It is made by placing an appropriate material in a dental impression tray which is designed to roughly fit over the dental arches.
These convenient, dentist-approved teeth whitening kits use strips, trays, and lights to make teeth whiter and brighter, without making sensitive teeth ache. 11 Teeth Whitening Kits for a Brighter ...
Acrylics are used in the fabrication of dentures, artificial teeth, impression trays, maxillofacial / orthodontic appliances and temporary (provisional) restorations. They cannot be used as tooth filling materials because they can lead to pulpitis and periodontitis, as they may generate heat and acids during setting, and in addition they shrink ...
Examples include specific locations and sizes of cavities, cracked teeth, excessive erosion, abrasion and many more. Conventional dental impressions are made by placing an impression material loaded on an impression tray over the dental arches. As it sets a negative imprint of the soft and hard tissues in the mouth.
Intraoral scanners are devices used in dentistry which create digital scans of the teeth and soft tissue anatomy. [1] These devices replace the use of dental putty impressions by using a light source and image sensors to record the tissues inside the mouth accurately and create a virtual alternative to traditional impression plaster models [1]
The primary (or preliminary) impressions, taken using a stock tray (preformed) and a suitable impression material, are used to construct special trays. Special trays are made in either acrylic or shellac [14] and have a shape that corresponds to the shape of the mucosa of the individual patient. This way, it is ensured that during secondary (or ...
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