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Updated: Jul 25, 2025
An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
Published on: February 10, 2014
Evaluation of stress and deformation in bone with titanium, CFR-PEEK and zirconia ceramic implants by finite element
G Mahalakshmi1, Anjaneyulu Gasthi1, H M Hosain Almansour2
1Department of Prosthodontics, Government Dental College and Hospital, Kadapa, Andhra Pradesh, India.
Background:
As more recent implant biomaterials, Zirconia ceramic and glass or carbon fibre reinforced PEEK composites have been introduced. In this study, bone stress and deformation caused by titanium, carbon fiber-reinforced polyetheretherketone (CFRPEEK), and zirconia ceramic implants were compared.
Materials And Methods:
In this in vitro finite element analysis study, a geometric model of mandibular molar replaced with implant supported crown was generated. The study used an implant that was 5 mm diameter and 11.5 length. Three implant assemblies made of CFR- polyetheretherketone (PEEK), zirconium, and titanium were created using finite element analysis (FEM). On the implant's long axis, 150 N loads were applied both vertically and obliquely. ANSYS Workbench 18.0 and finite element software were used to compare the Von Mises stresses and deformation produced with a significance level of P < 0.05.
Results:
With no discernible differences, all three implant assemblies that is CFR-PEEK, titanium, and zirconia demonstrated similar stresses and deformation in bone.
Conclusion:
It was determined that zirconia and PEEK and reinforced with carban fibres (CFR-PEEK) can be used as titanium-free implant biomaterial substitutes.
