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Abutment

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Difference between Pier and Abutment , column

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Bridge Abutment Construction Simulation

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Blue Sky Bio Multi Unit Abutment

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Atlantis Healing Abutment - from implant placement to final restoration_subtitles

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SIC invent Dental Implant Guideline for patients: Abutment Single Tooth

In engineering, abutment refers to the substructure at the ends of a bridge span or dam whereon the structure's superstructure rests or contacts. Single-span bridges have abutments at each end which provide vertical and lateral support for the bridge, as well as acting as retaining walls to resist lateral movement of the earthen fill of the bridge approach. Multi-span bridges require piers to support ends of spans unsupported by abutments. Dam abutments are generally either side of a valley or gorge but may be artificial in order to support arch dams such as Kurobe Dam in Japan.
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