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I

25/11/2016

Imaging

The process of acquiring representations of structures in either two or three dimensions.

Implant

Any object or material, such as an alloplastic substance or other tissue, which is partially or completely inserted or grafted into the body for therapeutic, diagnostic, prosthetic, or experimental purposes. 2. Generally an artificial structure placed into bone which provides for prosthetic replacement of some missing structure. Also used to describe a graft placed in soft tissue.

Impression

A negative likeness or copy in reverse of the surface of an object; an imprint of the teeth and adjascent structures for use in dentistry/ orthodontics. An impression in orthodontics is typically produced by placing an elastic compound like alginate in a preformed tray, and placing the loaded tray over the teeth until the material stiffens. The impression is removed from the mouth and may be filled with plaster to produce an exact positive reproduction of the teeth or dental arch.