In dentistry, a natural tooth or implanted tooth substitute, used for the support or anchorage of a fixed or removable prosthesis.
- auxiliary a. a tooth other than the one supporting the direct retainer, assisting in the overall support of a removable partial denture.
- ball and socket a. an a. connected to a fixed partial denture by a ball and socket-shaped nonrigid connector.
- dovetail stress-broken a. an a. connected to a fixed partial denture by a nonrigid connector that is trapezoidal in cross-section.
- intermediate a. a natural tooth, or an implanted tooth substitute, without other natural teeth in proximal contact, used along with the mesial and distal abutments to support a prosthesis; often called a “pier.”
- isolated a. a lone-standing tooth, or root, used as an a. with edentulous areas mesial and distal to it.
- splinted a. the joining of two or more teeth into a rigid unit by means of fixed restorations to form a single a. with multiple roots.

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abut·ment ə-'bət-mənt n a tooth to which a prosthetic appliance (as a denture) is attached for support

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(in dentistry) a component of a dental bridge or implant.

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abut·ment (ə-butґmənt) 1. that on which or at which abutting occurs. 2. a part of a structure that sustains thrust or pressure. 3. a tooth or root used as an anchorage for either a fixed or a removable dental prosthesis, or any other device serving the same purpose. See also under tooth.

Medical dictionary. 2011.


Look at other dictionaries:

  • abutment — abut·ment /ə bət mənt/ n: the place at which abutting occurs at the abutment of two properties Merriam Webster’s Dictionary of Law. Merriam Webster. 1996. abutment …   Law dictionary

  • Abutment — A*but ment ([.a]*b[u^]t ment), n. 1. State of abutting. [1913 Webster] 2. That on or against which a body abuts or presses; as (a) (Arch.) The solid part of a pier or wall, etc., which receives the thrust or lateral pressure of an arch, vault, or …   The Collaborative International Dictionary of English

  • abutment — (n.) 1640s, from ABUT (Cf. abut) + MENT (Cf. ment). Originally any junction; the architectural usage is attested from 1793 (the notion is of the meeting place of the arches of a bridge, etc.) …   Etymology dictionary

  • abutment — pier, *buttress …   New Dictionary of Synonyms

  • abutment — [n] masonry mass arch end, bridge end, end piece, jutting piece, support, vault end; concepts 745,827,833 …   New thesaurus

  • abutment — [ə but′mənt] n. 1. the act or an instance of abutting 2. something that abuts or borders upon something else 3. the point of contact between a support and the thing supported 4. a) that part of a support which carries the weight of an arch and… …   English World dictionary

  • Abutment — An abutment is an end support of a bridge superstructure.Abutments are used for the following purposes: * to transmit the reaction of superstructure to the foundations. * to retain the earth filling. * to connect the superstructure to the… …   Wikipedia

  • abutment — ramtas statusas Aprobuotas sritis statyba apibrėžtis Betoninio arba gelžbetoninio hidrotechnikos statinio vandens įtekėjimo, pratekėjimo ir ištekėjimo dalių šoninė siena, susiejanti vandens tėkmės zoną su greta esančia žemės užtvanka ir krantu… …   Lithuanian dictionary (lietuvių žodynas)

  • abutment — noun Date: 1644 1. the place at which abutting occurs 2. the part of a structure (as an arch or a bridge) that directly receives thrust or pressure …   New Collegiate Dictionary

  • abutment — /euh but meuhnt/, n. 1. Archit., Civ. Eng. a. a masonry mass supporting and receiving the thrust of part of an arch or vault. b. a force that serves to abut an arch or vault. c. a mass, as of masonry, receiving the arch, beam, truss, etc., at… …   Universalium

  • abutment — noun /əˈbʌtmənt/ a) The state of abutting. b) Something that abuts …   Wiktionary

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