JOURNAL OF SHANDONG UNIVERSITY (HEALTH SCIENCES)

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Force system intruding of two different procession attachment dentures

QU Feng-jie1, ZUO Shu-yu1, SHI Yan-li1, DAI Yan-ping2,　LIU Hong-shuang1, MU Yue-zhao1   

  1. １. Department of Stomatology, Provincial Hospital Affiliated to Shandong University, Jinan 250021, China；２. Department of Stomatology, Jinan Fifth People′s Hospital, Jinan 250022, China
  • Received:2008-06-05 Revised:1900-01-01 Online:2008-09-16 Published:2008-09-16
  • Contact: MU Yue-zhao

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Abstract: To explore the force system of different precision attachments in mandible distalextension edentulous by a finiteelement model. MethodsThe threedimensional finite element stress analysis method was used. Results The effects of attachments of ASC-52 were reduced in abutment when the molar was forced by 200N. When the molar was forced by 200N, the effection of the attachment ASC-52 was much more reduced than the attachment of the revax system. When the premolar was forced by 200N, the effection on attachments was reduced either liable or lingual. When the double molars were forced by 200?N, the stress intruding was added in mandibles and abutments. ConclusionsThe labial effection of abutments is smaller than lingual in the attachment of the revax system or ASC-52. The effection of the ASC-52 attachment is reduced in the abutment when the molars are forced.

Key words: Dentures, Denture precision attachment, Stress, mechanical

CLC Number: 

  • R783.6
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