Maksilla Anterior Bölgede Karbon Fiber Takviyeli Poli-Eter-Eter-Keton İmplantların Çevre Kemikte Oluşturduğu Streslerin Sonlu Elemanlar Analizi ile İncelenmesi

Year 2019, , 96 - 102, 30.12.2019

Sıdıka Akdeniz , Engin Ediboğlu

https://doi.org/10.35333/ERD.2019.105

Abstract

Amaç:  Oral endoosseöz implantlar için ideal materyal seçimi; 1960’lı yılların sonuna doğru Branemark tarafından tanımlanan saf titanyumdur. Fakat tamamen metal içermeyen materyaller talepeden hastalar gün geçtikçe sayıca artmaktadırve titanyumun bazı dezavantajları dolayısıyla dental implant için yeni materyal arayışları devam etmektedir.Çalışmamızın amacı geleneksel titanyum dental implantlara alternatif olarak kullanılabilecek CFR-PEEK materyalinin simüle edilecek oklüzyon kuvvetleri karşısında, implant çevresindeki kortikal ve spongioz kemikte meydana gelecek stresleri, sonlu eleman analizi ile inceleyerek klinik uygulamalara ışık tutmaktır.

Materyal Metod:Bu çalışmada; maksiller santraldiş bölgelerine yerleştirilen%30 CFR-PEEK ve titanyum implantlarınokluzal kuvvetler karşısında,kortikal kemiğin en üst seviyesinde alınan referans noktalarında oluşturdukları stres değerleri, dağılımı ve yoğunlaşma bölgeleri incelendi. Araştırma üç boyutlu sonlu elemanlar stres analizi yöntemi ile statik lineeranaliz yapılarak gerçekleştirildi.Analiz sonucunda, implant,implant çevresi kortikal kemikte ve spongioz kemikteki Von Misses, Maximum Principal; Minimum Principal stres değerlerine ve stres dağılımlarına bakılmıştır.

Bulgular:Çalışma sonucunda kortikal kemikte meydana gelen stresler, trabeküler kemikte meydana gelen streslerden yüksek bulundu. Oklüzal yükleme altında; implantlarda meydana gelen stres değerleri titanyum implant modelinde fazla iken, kemikte meydana gelen stresler CFR-PEEK implant olan modelde yüksektir. 

Sonuç:CFR-PEEK implantların titanyum implantlara göre biyomekanik olarak bir avantajı bulunmamıştır. CFR-PEEK implantların titanyum implantlara göre boyun kısmında kortikal kemikte non-homojen bir stres birikimine neden olduğu görülmüştür.

Keywords

Cfr-Peek dental implant, anterior maksilla, Sonlu elemanlar analizi

Supporting Institution

Başkent Üniversitesi

Project Number

DA 19/04

İnvestigation of Stress Levels At Surrounding Bone of Carbon Fiber Reinforced Polyether-Ether-Keton Implants in The Maxilla Anterior Region with Finite Elemental Analysis

Abstract

Purpose:Ideal material selection for oral endoosseous implants as described by Branemark in the late 1960s was pure titanium. However, patients demanding completely non-metal materials and the search for new materials for dental implants continues due to some disadvantages of titanium. The aim of this study is to examine the stresses that will occur in the cortical and spongious bone around the implant against the occlusion forces of CFR-PEEK material which can be used as an alternative to traditional titanium dental implants by using finite element analysis and to shed light on clinical applications.

Material and Method:The stress values, distribution and concentration zones of 30% CFR-PEEK and titanium implants placed at the maxillary central tooth regions at the reference points taken at the top level of the cortical bone were examined. The research was carried out by using static linear analysis with three-dimensional finite element stress analysis method. As a result of the analysis, von Misses, Maximum Principal; Minimum Principal stress values and stress distributions of dental implant and surronding bone were examined.

Results:As a result of the study, the stresses in the cortical bone were higher than the stresses in the trabecular bone. Under occlusal loading; the stress values in the implants are higher in the titanium implant model, whereas the stresses in the bone are higher in the CFR-PEEK implant model.

Conclusion:CFR-PEEK implants have no biomechanical advantage over titanium implants. CFR-PEEK implants were found to cause non-homogenous stress accumulation in the cortical bone in the neck compared to titanium implants.

Keywords

CFR-PEEK DENTAL IMPLANTS, ANTERIOR MAXILLA REGION, FINITE ELEMENTAL ANALYSYS

Project Number

DA 19/04

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