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Year : 2023  |  Volume : 20  |  Issue : 1  |  Page : 57

Evaluation of stress and deformation in bone with titanium, CFR-PEEK and zirconia ceramic implants by finite element analysis

1 Department of Prosthodontics, Government Dental College and Hospital, Kadapa, Andhra Pradesh, India
2 Department of Dental Implant, MOH, Najran Dental Specialist Center, Najran, India
3 Department of Pediatric Dentistry, Sharavathi Dental College, Shivamogga, Karnataka, India
4 Department of Prosthodontics, Sharavathi Dental College and Hospital, Shivamoga, Karnataka, India
5 Department of Dental Hygienic, College of Applied Health Sciences in Ar Rass, Qassim University, Saudi Arabia

Correspondence Address:
Dr. Anjaneyulu Gasthi
Department of Prosthodontics, Government Dental College and Hospital, Kadapa, Andhra Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1735-3327.377577

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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.

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