Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Shock Absorption Capacity of High-Performance Polymers for Dental Implant Prosthesis: In Vitro Study

Maria Menini
* ORCID logo ,
Francesca Delucchi
ORCID logo ,
Francesco Bagnasco
,
Domenico Baldi
,
Luigi Canullo
ORCID logo ,
Paolo Setti
,
Marco Migliorati
,
Paolo Pesce
ORCID logo
Version 1 : Received: 23 January 2024 / Approved: 23 January 2024 / Online: 23 January 2024 (10:00:15 CET)

A peer-reviewed article of this Preprint also exists.

Menini, M.; Delucchi, F.; Bagnasco, F.; Baldi, D.; Canullo, L.; Setti, P.; Migliorati, M.; Simetti, E.; Pesce, P. Shock Absorption Capacity of High-Performance Polymers for Dental Implant-Supported Restorations: In Vitro Study. Dent. J. 2024, 12, 111. Menini, M.; Delucchi, F.; Bagnasco, F.; Baldi, D.; Canullo, L.; Setti, P.; Migliorati, M.; Simetti, E.; Pesce, P. Shock Absorption Capacity of High-Performance Polymers for Dental Implant-Supported Restorations: In Vitro Study. Dent. J. 2024, 12, 111.

Abstract

Background: Restorative materials might significantly affect load transmission at peri-implant bone. The aim of the present study is to evaluate the shock absorption capacity of two different polymeric materials to be used as frameworks for implant-supported prostheses. Methods: A masticatory robot was used to compare the shock absorption capacity of polyether-ketoneketone (PEKK) Pekkton®ivory (Cendres+Mètaux) and glass fiber-reinforced composite (GFRC) TRINIATM (Bicon). Five identical sample crowns for each of the materials was tested un-der the same conditions described in previously published papers (Menini et al. 2013). Forces transmitted at the simulated periimplant bone were recorded and statistically analysed. Results: The statistical analysis of forces transmitted at the simulated dental implant revealed significant differences between all the materials tested and significant differences with the mate-rials tested in a previously published paper (Menini et al. 2013: zirconia, glass ceramic, composite resin, acrylic resin). Only differences between PEKK and veneered PEKK and between PEKK and one of the previously tested composite resins were not statistically significant. PEKK samples demonstrated significantly greater shock absorption capacity compared to GFRC. Conclusions: PEKK revealed optimal shock absorption capacity. Further studies are needed to evaluate its efficacy in case of long span prostheses with reduced prosthetic volume.

Keywords

dental implants; shock absorption; high-performance polymers; polyetherketoneketone

Subject

Medicine and Pharmacology, Dentistry and Oral Surgery

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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