abutment

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Related to abutment tooth: dental abutment

abutment

, abuttal
Architect Civil engineering a construction that takes the thrust of an arch or vault or supports the end of a bridge

Abutment

A masonry mass, pier, or solid part of a wall that takes the lateral thrust of an arch.

abutment

[ə′bət·mənt]
(civil engineering)
A surface or mass provided to withstand thrust; for example, end supports of an arch or a bridge.
(mining engineering)
In a coal mine, the place where the natural ground material makes contact with the ends of an embankment.

abutment

abutment A
A masonry mass (or the like) which receives the thrust of an arch, vault, or strut.
References in periodicals archive ?
The provisional restoration must have contact with teeth next to the abutment tooth. If, in the pre-operative impression, there is a wall of impression material between the abutment tooth and the neighboring tooth, the assistant should use a hemostat to remove the excess impression material to allow the liquid temporary mixture to flow into contact with the neighboring tooth.
(34) The assistant points the tip into the hole in the preoperative impression that corresponds to the abutment tooth and fills the hole.
The assistant then eye-drops the monomer liquid into the powder, enough to create a thick, barely viscous--but not visibly powdery--acrylic/monomer mixture, which is then spatulated into the abutment tooth hole in the pre-operative impression.
The posterior abutment tooth, should be the terminal tooth (no teeth posterior to it).
The cusp of the terminal abutment tooth that was in contact with the opposing tooth was considered as the centric stop.
Distance A-B: The distance between the gingival zenith of the terminal abutment tooth (A) to the gingi- val zenith of opposing tooth (B).