Comparison of Three Types of Stud Attachments on Retention and Strain Energy in the Mandibular Implant-Supported Overdentures

Gholamreza Esfahanizadeh, Saeed Mohammadi-Asl and Parvaneh Lavasani Navai
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Gholamreza Esfahanizadeh: Islamic Azad University, Iran
Saeed Mohammadi-Asl: Islamic Azad University, Iran
Parvaneh Lavasani Navai: Dentist, Iran

European Journal of Dental and Oral Health, 2020, vol. 1, issue 6

Abstract: Background: The present in vitro study assessed he effects of three different Stud attachments on the retention and strain energy in the mandibular implant-supported overdentures. Methods: Two parallel implants (Implantium System) were placed on the mandibular canines’ regions and a chrome-cobalt casting framework was prepared as the denture base. The implant fixtures were installed on the canine location and the pulling was performed by three orthodontic wires in the Instron machine with a speed of 0.5 min/mm. Dislodging forces were applied to the housings in two vertical and oblique directions on three different Stud attachments (Ball, Kerator, Positioner). All three wires were connected to the device in the vertical position while one wire was separated from the molar’s region in the oblique loadings. The retention of these three attachments was statistically analyzed by means of one-way analysis of variance. Results: Significant differences were found between the attachments (F (2, 15) =33.01, p

Keywords: Stud attachments; Retention force; Strain energy; Overdenture (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejdent:v:1:y:2020:i:6:id:13026

DOI: 10.24018/ejdent.2020.1.6.26

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