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A Study on the Retentive Force of Stud Attachments for Implant Overdenture
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  • Journal title : Journal of dental hygiene science
  • Volume 16, Issue 1,  2016, pp.93-100
  • Publisher : the Korean Society of Dental Hygiene science
  • DOI : 10.17135/jdhs.2016.16.1.93
 Title & Authors
A Study on the Retentive Force of Stud Attachments for Implant Overdenture
Song, Eun-Ju; Bae, Eun-Bin; Choi, Jae-Won; Bae, Ji-Hyeon; Kim, Ji-Young; Lee, So-Hyoun;
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 Abstract
The purpose of this study was to compare the changes of retentive force in different stud attachment systems for implant retained overdenture. Two commercially available attachments with different retentive forces were investigated: Kerator (pink, blue, red) and O-ring (orange, red). Two implant fixtures were vertically embedded in base mountings. Five pairs of each attachment were evaluated. A universal testing machine was used to evaluate the retentive force of two attachments during wear simulation. Surface characteristics of each attachment system were evaluated with scanning electron microscopy. Five pairs of each attachment were evaluated. Kerator pink showed the highest initial retention. After 2,500 cycles of wear-simulation, Kerator pink noted the largest decrease in retention. According to results of surface analysis, Worn surfaces were obtained in matrices and patrices. Heavy wears were observed in matrices. After 2 year-wear simulation, most attachments exhibited retention loss. Attachments using different kind of material exhibited dissimilar surface alterations.
 Keywords
Attachment;Overdenture;Retention;Wear;
 Language
Korean
 Cited by
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