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An impression body, made from alginate impression material. A custom dental model or plaster cast. 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 ...
An impression of preparation for restoration with a DO gold inlay on tooth #5. The "DO" designation indicates that the gold serves as a restoration for the distal and occlusal surfaces of the tooth. This tooth was prepared and the inlay will be fabricated according to the R.V. Tucker method of gold inlay preparation. Notice how the line angles ...
A full-arch addition silicone (polyvinyl siloxane) impression using the "wash impression" technique. Once the tooth in question has been prepared with acceptable dimensions, it is equally important to make an accurate and dimensionally stable record or impression of the preparation or dental implant, surrounding hard and soft tissues as well as ...
Master impressions: An accurate impression should be made of the prepared teeth, along with an impression of the opposing arch. The master casts are used to provide accurate information about the occlusion to the laboratory and construct the prosthesis.
An optical impression of the prepared tooth is taken using a camera. Next, the specific software takes the digital picture and converts it into a 3D virtual model on the computer screen. A ceramic block that matches the tooth shade is placed in the milling machine. An all-ceramic, tooth-colored restoration is finished and ready to bond in place.
A dental impression of a section of teeth which records the bite, which can be used to replicate how the teeth bite together. Bite registration is a technique carried out in dental procedures, where an impression is taken of the teeth while biting together, to capture the way they meet together in a bite.
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It is also used in other contexts where an impression similar to a dental impression is needed, such as in audiology (to take ear impressions for fitting custom hearing protection or hearing aids [2]) or in industrial applications (such as to aid in the inspection of interior features of machined parts, for example, internal grooves inside ...