fulcrum line

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• fulcrum line retentive — an imaginary line connecting the retentive points of clasp arms on retaining teeth adjacent to mucosa borne denture bases, around which a denture tends to rotate when subjected to such forces as the pull of sticky foods …   Medical dictionary

• fulcrum line stabilizing — an imaginary line connecting occlusal rests, around which a denture will rotate under masticatory forces …   Medical dictionary

• fulcrum line — an axis that extends from one abutment tooth to another, about which a partial denture can rotate during function …   Medical dictionary

• line — 1. A mark, strip, or streak. In anatomy, a long, narrow mark, strip, or streak distinguished from the adjacent tissues by color, texture, or elevation. SEE ALSO: linea. 2. A unit of …   Medical dictionary

• Axis — The axis is the second cervical vertebra (symbol: C2). It is called the axis because the uppermost cervical vertebra (called the atlas) rotates about the odontoid process of C2. The joint between the axis and atlas is a pivot type of joint. It… …   Medical dictionary

• retainer — Any type of clasp, attachment, or device used for the fixation or stabilization of a prosthesis; an appliance used to prevent the shifting of teeth following orthodontic treatment. continuous bar r. a metal bar, usually resting on …   Medical dictionary

• indirect retainer — a part of a removable partial denture that assists the direct retainers in preventing displacement of distal extension denture bases by functioning through lever action on the opposite side of the fulcrum line …   Medical dictionary

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• Linkage (mechanical) — This article is about assemblies of links designed to manage forces and movement. For other uses, see Linkage. Variable stroke engine (Autocar Handbook, Ninth edition) A mechanical linkage is an assembly of bodies connected together to manage… …   Wikipedia