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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 to roughly fit over the dental arches.
Most of the principal terms can be combined using their corresponding combining forms (such as mesio-for mesial and disto-for distal). They provide names for directions (vectors) and axes; for example, the coronoapical axis is the long axis of a tooth. Such combining yields terms such as those in the following list.
Mold (or mould) is a structure formed by fungi. ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Clear-aligner treatment involves an orthodontist or dentist, or with home-based systems, the person themselves, taking a mold of the patient's teeth, which is used to create a digital tooth scan. The computerized model suggests stages between the current and desired teeth positions, and aligners are created for each stage.
This glossary of mycology is a list of definitions of terms and concepts relevant to mycology, the study of fungi. Terms in common with other fields, if repeated here, generally focus on their mycology-specific meaning. Related terms can be found in glossary of biology and glossary of botany, among others.
A debubblizer is a surface tension chemical compound that is used in certain industrial processes to minimize air bubbles when casting a mold or impression.In some manufacturing operations, such as dentistry, it is also referred to as surfactant or a wetting agent that is sprayed on the set impression material to improve wettability. [1]
Molds are considered to be microbes and do not form a specific taxonomic or phylogenetic grouping, but can be found in the divisions Zygomycota and Ascomycota. In the past, most molds were classified within the Deuteromycota. [5] Mold had been used as a common name for now non-fungal groups such as water molds or slime molds that were once ...
A tooth mold is obtained by filling the alginate negative [15] with buff stone, then the buff stone is used to fit the grill to the unique set of teeth. [14] However, for inexpensive novelty grills, a jeweler may make an impression by having the wearer bite into dental putty or wax softened in water, or the wearer may do this themselves.