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8F Gilbert Place, London WC1A 2JD
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A dental impression is a negative imprint of hard (teeth) and soft tissues in the mouth from which a positive reproduction (or cast) can be formed. They are made by using a container which is designed to roughly fit over the dental arches (“trays”).

Cropped view of the hands of professional prosthetic technician wearing protective gloves sitting near the patient in her office and putting dental impression for dentures to the client mouth

Impression materials are designed to be liquid or semi-solid when first mixed and placed in the tray, and then quickly set to a solid (usually a few minutes depending upon the material), leaving an imprint of the structures in the mouth. Impressions, and the study models which are cast from them, are used in several areas of dentistry including prosthodontics (such as making dentures, inlays and plastic casts), orthodontics, restorative dentistry (e.g. to make impressions of teeth which have been prepared to receive indirect extracoronal restorations such as crowns or bridges), maxillofacial prosthetics (prosthetic rehabilitation of intra-oral and extra-oral defects due to trauma, congenital defects, and surgical resection of tumors) restorative, diagnosis and oral and maxillofacial surgery for both intra oral and or extra-oral aims (e.g. dental implants).

The required type of material for taking an impression and the area that it covers will depend on the clinical indication. A correctly made dental impression will capture a part or all of a person’s dentition and surrounding structures of oral cavity. The dental impression forms an imprint (i.e. a ‘negative’ mould) of teeth and soft tissues, which can then be used to make a cast of the dentition. Casts are used for diagnostics, patient record, treatment planning, fabrication of custom trays, fabrication of dentures, crowns or other prostheses and orthodontics. An impression is made by placing a viscous, thixotropic impression material into the mouth via a custom or stock dental impression tray. The material, then sets to become an elastic solid, and, when removed from the mouth, provides a detailed and stable negative of teeth. Common materials used for dental impressions are sodium alginate, polyether and silicones – both condensation-cured silicones and addition-cured silicones, such as polyvinyl siloxane. Historically plaster of Paris, zinc oxide eugenol and agar have been used.

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We are located in Camden, Holborn close to Westminster W1 near Soho, London

Our address is: 8F Gilbert Place, London, WC1A 2JD. About Camden: Lincoln's Inn Fields is a neighbourhood in the extreme south of the borough that is only 500 metres from the Thames. The northern part of the borough is home to Kentish Town, Hampstead, and Hampstead Heath, which are less populous districts. Numerous parks and open areas may be found in the London Borough of Camden. City of Westminster (near Soho, London) and the City of London are the next-door boroughs, followed by Brent to the west of what was once Roman Watling Street (now the A5 Road), Barnet and Haringey to the north, and Islington to the east. It encompasses all or a portion of the following postcode areas: N1, N6, N7, N19, NW1, NW2, NW3, NW5, NW6, NW8, EC1, WC1, WC2, W1, and W9.

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