Three-dimensional movement of posterior teeth after losing the interproximal and occlusal contacts in adults

OBJECTIVETo observe the movement of posterior teeth after losing the interproximal and occlusal contacts in adults from the amount and speed of mesial-distal, buccal-lingual, occlusal-gingival and three-dimensional movements.METHODSTwenty cases of metal post-core restoration from the Department of P...

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Published in:Beijing da xue xue bao. Journal of Peking University. Yi xue ban 2021-06, Vol.53 (3), p.594-597
Main Authors: Liu, X Q, Yang, Y, Zhou, J F, Liu, M Y, Tan, J G
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container_title Beijing da xue xue bao. Journal of Peking University. Yi xue ban
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creator Liu, X Q
Yang, Y
Zhou, J F
Liu, M Y
Tan, J G
description OBJECTIVETo observe the movement of posterior teeth after losing the interproximal and occlusal contacts in adults from the amount and speed of mesial-distal, buccal-lingual, occlusal-gingival and three-dimensional movements.METHODSTwenty cases of metal post-core restoration from the Department of Prosthodontics, Peking University School and Hospital of Stomatology were recruited into this study, which was an observational study. The restored teeth had complete mesial, distal, and occlusal contacts before treatment. All the interproximal and occlusal contacts were removed during the preparation for the post-core. The three-dimensional positions of the post-core preparation were obtained by the intraoral scanner at the day of tooth preparation and that of post-core placement. The amounts of mesial-distal, buccal-lingual and occlusal-gingival tooth movement were measured in the software. On this basis, the amount of three-dimensional tooth movement was calculated. The speed of tooth movement was calculated base
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The restored teeth had complete mesial, distal, and occlusal contacts before treatment. All the interproximal and occlusal contacts were removed during the preparation for the post-core. The three-dimensional positions of the post-core preparation were obtained by the intraoral scanner at the day of tooth preparation and that of post-core placement. The amounts of mesial-distal, buccal-lingual and occlusal-gingival tooth movement were measured in the software. On this basis, the amount of three-dimensional tooth movement was calculated. The speed of tooth movement was calculated base</description><identifier>ISSN: 1671-167X</identifier><language>chi</language><ispartof>Beijing da xue xue bao. Journal of Peking University. 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title Three-dimensional movement of posterior teeth after losing the interproximal and occlusal contacts in adults
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