Effect of attachment type on load distribution to implant abutments and the residual ridge in mandibular implant-supported overdentures

Journal of Dental Biomechanics
Nobuhiro YodaKeiichi Sasaki

Abstract

This study aimed to investigate the effect of attachment type on the load transmitted to implants and the residual ridge in a mandibular two-implant-supported overdenture in a model study. Ball attachments, locator attachments, and round-bar attachments were selected and examined. Static and dynamic vertical loads of 100 N were applied in the right first molar region. The load on the implants was measured by piezoelectric three-dimensional force transducers, and the load on the residual ridge beneath the denture base was measured using a tactile sheet sensor. The load on the implants with ball attachments was significantly higher than that with the other two attachments. The load on the residual ridge with round-bar attachments was significantly higher than that with the other two attachments. Our findings indicate that the three-dimensional load on implants and the residual ridge beneath the denture base is significantly associated with the type of attachment used in implant-supported overdentures.

Citations

Jul 3, 2019·Journal of Prosthodontic Research·Hiroaki SatoHisatomo Kondo
Sep 8, 2018·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Nikita KhuranaPuneet Hegde

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