Mindblown: a blog about philosophy.
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Asaccharolytic
The inability of an organism to catabolize carbohydrates. Generally relates to sugar metabolism.
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Artificial limb
Artificial replacement for part or all of a human arm or leg. A manufactured prosthetic replacement for an arm or leg, worn when all or part of the limb has been lost due to injury, accident, disease, or birth defect. A person requiring an artificial limb can discuss his or her needs and preferences with both…
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Artificial crown
A metal, plastic, or ceramic restoration that covers three or more axial surfaces and the occlusal surface or incisal edge of a tooth artificial denture. A replacement for the loss of the natural crown of a tooth. There are several types, usually made of porcelain or plastic. For example, the sheath like jacket crown covers…
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Artifact (imaging)
Any feature not present in the original imaged object but that appears in a displayed image. An image artifact is sometimes the result of incorrect operation of the imager, and other times a consequence of natural processes or properties of the human body. It is important to be familiar with the appearance of artifacts because…
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Semi‐adjustable a
Instrument capable of simulating vertical and horizontal movement with or without temporomandibular joint orientation. Joint articular references are commonly reversed with condylar guidance developed according to mechanical equivalents based on anatomic averages. Some semi‐adjustable articulators provide for temporomandibular joint orientation and may be either non‐Arcon (condylar elements in the upper member) or Arcon (condylar elements…
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Nonadjustable a
Hinge‐type instrument capable of retaining maxillary and mandibular jaw casts in an established vertical relationship while providing possible vertical motion in an arcing pattern.
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Fully adjustable a
Articulating instrument permitting the simulation of three‐dimensional mandibular movement and capable of accepting three-dimensional jaw registration records.
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Articulator
Apparatus designed to mechanically orient the essential elements of mastication (i.e., temporomandibular joints, jaws, and teeth) in their simulated spatial relationship outside the mouth. The design is based on the degree of mandibular movement simulation desired for the development of an occlusal scheme. In dentistry, a device for maintaining casts of the teeth in a…
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Articulation
The contact relationships of mandibular teeth with maxillary teeth in excursive movements of the mandible. A junction or union between two or more bones. A skeletal joint. The location at which two or more bones make contact. Range of movement of the joints. A joint between two bones may be movable or immovable, but most…
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Articulating tape
Ink‐impregnated paper or silk ribbon used to identify contacting occlusal or incisal surfaces.
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