Category: V
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Virtual reality modeling language (VRML)
Text file format where, for example, vertices and edges for a 3D polygon can be specified along with the surface color, UVmapped textures, shininess, transparency, etc.
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Virtual reality (VR)
A term that applies to computer‐simulated environments that can simulate a physical presence in places in the real world, as well as in imaginary worlds. Most current VR environments are primarily visual experiences, displayed either on a computer screen or through special stereoscopic displays. Some simulations include additional sensory information, such as sound through speakers…
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Virtual model
Digital 3D representation of a dental model created from an intraoral or desktop scan of an object.
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Virtual articulation
The process of simulating static and dynamic relationship of teeth in opposite arches using computer software.
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Virology
The study of viruses – biosystems that require a host to replicate, are capable of being pathogenic and can be classified according to their nucleic acid genome (DNA or RNA). The science that deals with the study of viruses. The study of viruses under the headings of: (1) human and animal diseases; (2) bacteriophages; (3)…
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Vincent’s angina
Painful membranous ulceration of the oropharynx, throat, or gums that may be caused by Fusobacterium nucleatum infection. It is usually associated with necrotizing ulcerative periodontitis and referred to as trench mouth. Putrefactive infection of the tonsils, oral cavity and gums, caused by the joint action of Borrelia vincentii and Fusobacterium fusiforme—an example of bacteriological symbiosis.…
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Vibrating line
An imagined line across the posterior part of the maxillary palate marking the division between the mobile and nonmobile tissues of the palate that can be visualized when the mobile tissues are in function.
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Vestibuloplasty
Plastic surgery of the vestibular region of the mouth designed to restore alveolar ridge height (deepen the vestibular trough) by lowering the muscles that attach to the buccal, labial, and lingual aspects of the jaws.
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Vestibule
Any of various bony cavities, especially when serving as or resembling an entrance to another. The portion of the oral cavity that is bounded on the medial side by the teeth, gingiva, and alveolar ridge or the residual ridge, and on the lateral side by the lips and cheeks. A long, narrow depression of the…
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Vestibular incision
Incision placed in the buccal mucosa of the vestibulum.