Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Carbon Fiber Reinforced PEEK Compared to Titanium Alloys for Temporomandibular Joint Trauma Surgery: An Experimental Study
Temporomandibular Eklem Travma Cerrahisinde Tedavisinde Kullanılan Karbon Fiber ile Güçlendirilmiş PEEK ve Titanyum Alaşımlarının Karşılaştırılması: Deneysel Çalışma
Senanur DURUAY ALKANa , Sıdıka Sinem AKDENİZa , Ezgi ERGEZENb
aPrivate Dentist, Ankara, Türkiye
bBaşkent University Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, Ankara, Türkiye
Turkiye Klinikleri J Dental Sci. 2024;30(3):379-87
doi: 10.5336/dentalsci.2024-102388
Article Language: EN
Full Text
ABSTRACT
 Objective: Temporomandibular joint fractures are very common however there is not a consensus on the treatment protocol. As the tendency towards open reduction and internal fixation increase, alternative fixation materials have drawn attention The aim of the present study is to acknowledge if 60% carbon fiber reinforced polyetheretherketone (Cfr-PEEK) material can be used as an alternative for titanium alloys for the temporomandibular joint (TMJ) fracture fixation. Material and Methods: High and low TMJ subcondylar fractures were simulated on a finite element model. Rhombic plate and 2-plate systems were designed in titanium and 60% CfrPEEK. Stress in the fixation materials, bone and the displacement of the fragments were evaluated. Results: For high subcondylar fracture the rhombic plate system presented better results compared to 2- plate system contrary to low subcondylar fracture fixation. Regarding the material choice 60% Cfr-PEEK presented superior results compared to titanium alloys for low subcondylar facture and similar results with titanium alloys for high subcondylar fractures. The displacement of the fragments was lower in 60% Cfr-PEEK models for each fixation system. Conclusion: Cfr-PEEK can be an alternative for titanium alloys for TMJ fracture fixation especially considering its biomechanical properties can be optimized for clinical conditions nevertheless these findings should be supported with further studies for widespread use.

Keywords: PEEK; carbon fiber reinforced-PEEK; temporomandibular joint fracture; condyle fractures; finite element analysis
ÖZET
 Amaç: Temporomandibular eklem (TME) kırıkları populasyonda oldukça yaygın olarak görülmesine rağmen tedavi protokolü konusunda bir fikir birliği yoktur. Açık redüksiyon ve internal fiksasyona olan eğilim arttıkça, alternatif fiksasyon malzemeleri de dikkat çekmiştir ve peek materyalinin. Bu çalışmanın amacı, %60 karbon fiber ile güçlendirilmiş polietereterketon [carbon fiber-reinforced polyetheretherketone (Cfr- PEEK)] TME kırık fiksasyonu için titanyum alaşımının alternatifi olarak kullanılıp kullanılamayacağını belirlemektir. Gereç ve Yöntemler: Sonlu elemanlar modelinde yüksek ve düşük seviyeli TME subkondiler kırıkları simüle edildi. Titanyum ve %60 Cfr-PEEK'ten oluşan rombik plaka ve 2 plak sistemi tasarlandı. Fiksasyon malzemelerindeki stres, kemik ve kırık fragman parçalar arasında oluşan yer değiştirme miktarı değerlendirildi. Bulgular: Yüksek seviyeli subkondiler kırık için rombik plaka sistemi, düşük seviyeli subkondiler kırık sabitlemesine kıyasla 2 plak sistemine göre daha iyi sonuçlar gösterdi. Malzeme seçimi açısından, %60 Cfr-PEEK, düşük seviyeli subkondiler kırık için titanyum alaşımlarına kıyasla üstün sonuçlar sunarken, yüksek seviyeli subkondiler kırıklar için titanyum alaşımları ile benzer sonuçlar verdi. Kırık fragman parçaların yer değiştirmesi, her fiksasyon sistemi için %60 Cfr-PEEK modellerinde daha azdı. Sonuç: Cfr-PEEK, özellikle biyomekanik özelliklerinin değiştirilerek klinik koşullar için optimize edilebilir olduğu düşünüldüğünde, TME kırık fiksasyonu için titanyum alaşımlarının bir alternatifi olabilir. Bununla birlikte, bu bulguların yaygın kullanım için daha fazla çalışma ile desteklenmesi gerekmektedir.

Anahtar Kelimeler: PEEK; karbon fiber ile güçlendirilmiş-PEEK; temporomandibular eklem kırık; kondil kırığı; sonlu elemanlar analizi
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