- fulcrum line
- an axis that extends from one abutment tooth to another, about which a partial denture can rotate during function.
Medical dictionary. 2011.
Medical dictionary. 2011.
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
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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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