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Fatigue Design of Dental Implant

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (10 October 2022) | Viewed by 2637

Special Issue Editor


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Guest Editor
Universidad del Pais Vasco - Euskal Herriko Unibertsitatea, Campus Bizkaia, Leioa, Spain
Interests: fatigue; dental implant; design; experimental; analysis

Special Issue Information

Dear Colleagues,

Materials is currently running a Special Issue entitled “Fatigue Design on Dental Implants”. Full papers, communications, and reviews are welcome.

Dental implants are widely used to restore a single missing tooth or even completely edentulous jaws. In these systems, biological and mechanical complications may exist. Being exposed to variable masticatory loads, fatigue failure is a major mechanical concern, and several materials, manufacturing processes, geometries and dimensions, assembly conditions, and surface treatments, among other influence factors, have been proposed and studied to improve the fatigue behavior of dental implants. ISO 14801 Standard was further developed to standardize fatigue testing conditions for dental implants in order to allow for a direct comparison of the performance of different design alternatives. In this sense, experimental tests are the cornerstone in this research field, sometimes combined with numerical and analytical models.

Thus, in spite of the great effort made so far, fatigue design of dental implants is still a hot topic where a lot of work remains to be done to minimize this problem and guarantee long-term clinical success in dental implants. In this Special Issue, all the contributions that broaden knowledge on fatigue design of dental implants, shedding light on any of the aspects involved in this phenomenon, are very welcome.

It is my pleasure to invite you to submit a manuscript for this Special Issue.

Dr. Mikel Abasolo
Guest Editor

Manuscript Submission Information

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Keywords

  • Fatigue
  • Dental implant
  • Design
  • Experimental
  • Analysis

Published Papers (1 paper)

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Research

15 pages, 4649 KiB  
Article
Mechanical Performance of Chairside Ceramic CAD/CAM Restorations and Zirconia Abutments with Different Internal Implant Connections: In Vitro Study and Finite Element Analysis
by Sergio Giner, José F. Bartolomé, Pablo Gomez-Cogolludo, Carlos Castellote and Guillermo Pradíes
Materials 2021, 14(17), 5009; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14175009 - 02 Sep 2021
Cited by 2 | Viewed by 2146
Abstract
(computer-aided design-computer-aided manufacturing) CAD/CAM monolithic restorations connected to zirconia abutments manufactured with a chairside workflow are becoming a more common restorative option. However, their mechanical performance is still uncertain. The aim of this study was to evaluate the mechanical behavior of a combination [...] Read more.
(computer-aided design-computer-aided manufacturing) CAD/CAM monolithic restorations connected to zirconia abutments manufactured with a chairside workflow are becoming a more common restorative option. However, their mechanical performance is still uncertain. The aim of this study was to evaluate the mechanical behavior of a combination of a zirconia abutment and monolithic all-ceramic zirconia and lithium disilicate crown manufactured with a chairside workflow, connected to titanium implants with two types of internal connection—tube in tube connection and conical connection with platform switching. They were thermally cycled from 5 °C to 55 °C and were subjected to a static and fatigue test following ISO 14801. The fractured specimens from the fatigue test were examined by SEM (scanning electron microscopy). Simulations of the stress distribution over the different parts of the restorative complex during the mechanical tests were evaluated by means of (finite element analysis) FEA. The mechanical performance of the zirconia abutment with an internal conical connection was higher than that of the tube in tube connection. Additionally, the use of disilicate or zirconia all-ceramic chairside CAD/CAM monolithic restorations has similar results in terms of mechanical fracture and fatigue resistance. Stress distribution affects the implant/restoration complex depending on the connection design. Zirconia abutments and monolithic restorations seem to be highly reliable in terms of mechanical resistance. Full article
(This article belongs to the Special Issue Fatigue Design of Dental Implant)
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