abutments

Arch end supports

Abutments are structures that support the ends of something, particularly bridges or arches.

In engineering, bridge abutments anchor the span to the ground at each end, transferring weight to the earth.

In dentistry, abutment teeth are the natural teeth that anchor a dental bridge or partial denture: The dentist prepared the abutments for the crown.

bridge

piers

Waterside mooring platforms

spansReaches across a gap
archesWeight-bearing curved spans
trussesTriangulated load-bearing frames

deck · girders · bearings · expansion joints · approach · viaducts · overpass · culvert · suspension · cable-stayed

foundation

footing

Secure ground position

bedrockSolid stone underground
groundworkFoundational preparation for something
substrateUnderlying supporting material

underpinning · pile · substructure · anchorage · settlement · excavation · compaction · sill · earthwork · plinth

structure

buttresses

External wall supports

masonryBuilding with mortared blocks
concreteSolid building mixture
reinforcedMade more resistant

load-bearing · retaining walls · embankments · spandrel · cantilever · keystone · vaults · steel · corbel · pilaster

dental

teeth

Enamel-covered chewing structures

prostheticsFabricated body part replacements
crownSovereign's ornamental headpiece
implantDevice placed inside tissue

bridge · denture · restoration · retainer · preparation

abutments

piers

footing

buttresses

teeth

abutments

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