Load distribution on abutment tooth, implant and residual ridge with distal-extension implant-supported removable partial denture

Journal of Prosthodontic Research
Yoshiki MatsudateKeiichi Sasaki

Abstract

The aim of this study was to evaluate the effect of implant location on load distribution in the abutment tooth, implant and residual ridge with a distal-extension implant-supported removable partial denture (ISRPD). A mandibular unilateral distal-extension edentulous simulation model was used. Implants were inserted at the second premolar (mesial implant) and second molar (distal implant) positions in the edentulous area. An experimental ISRPD was fabricated of acrylic resin with a cobalt-chromium alloy framework. Loads on the implants and abutment tooth were measured with piezoelectric force transducers. The load on the residual ridge was measured with pressure-sensitive film. A vertical load of 100N was applied at the first molar region. Measurements were made under the following three conditions: with conventional removable partial denture (CRPD), with mesial-implant-supported removable partial denture (MISRPD), and with distal-implant-supported removable partial denture (DISRPD). In each condition, the unused implants were made inactive by eliminating contact with the inner surface of the denture. The load on the abutment tooth was greatest with DISRPD, followed by CRPD and MISRPD (P<0.01). The load on the implant was grea...Continue Reading

References

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Citations

Dec 29, 2020·Computers in Biology and Medicine·Emika SatoKeiichi Sasaki
Oct 23, 2020·International Journal of Implant Dentistry·Toshifumi NogawaAtsuro Yokoyama
Aug 28, 2021·BioMed Research International·Mohammed A MousaAdam Husein
Aug 24, 2018·Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)·Junichiro WadaNoriyuki Wakabayashi

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