Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Favorable Mandibula Angulus Fraktürlerinde Karbon Fiberle Güçlendirilmiş Polietereterketon Polimerinin Sonlu Elemanlar Analizi Yöntemiyle Değerlendirilmesi: Deneysel Çalışma
Evaluation of Carbon Fiber Reinforced Polyetheretherketone Polymer in Favorable Mandibular Angulus Fractures with Finite Element Analysis Method: Experimental Study
Mehmet Zahit BAŞa , Selim HARTOMACIOĞLUb , Musa ERDEMc , Enes BEKMANa , Sava BAYDARa
aSağlık Bilimleri Üniversitesi Diş Hekimliği Fakültesi, Ağız, Diş ve Çene Cerrahisi ABD, İstanbul, Türkiye
bMarmara Üniversitesi Teknoloji Fakültesi, Makina Mühendisliği Bölümü, İstanbul, Türkiye
cÜsküdar Üniversitesi Diş Hekimliği Fakültesi, Ağız, Diş ve Çene Cerrahisi ABD, İstanbul, Türkiye
Turkiye Klinikleri J Dental Sci. 2023;29(4):503-9
doi: 10.5336/dentalsci.2023-98328
Article Language: TR
Full Text
ÖZET
 Amaç: Bu çalışmanın amacı, favorable mandibula angulus kırıklarının, karbon fiberle güçlendirilmiş polietereterketon [carbon fiber reinforced polyetheretherketone (CFR-PEEK)] ve titanyumdan yapılmış fiksasyon sistemlerinin sonlu elemanlar analiz yöntemi ile karşılaştırılmasıdır. Gereç ve Yöntemler: Mandibula modellerinde, dijital ortamda favorable bir kırık hattı oluşturulmuştur. Bu modellerdeki kırık hatlarının fiksasyonunda 4 delikli, 1,0 mm profil kalınlığında barlı mini plaklar ve 5 mm uzunluğunda titanyum vidalar kullanılmıştır. İncelenen mini plaklar, titanyum ve CFR-PEEK materyalinden üretilmiştir. Plaklar 3 farklı pozisyona yerleştirilmiştir (Pozisyon X: inferiordan tek mini plak, Pozisyon Y: çift mini plak, Pozisyon Z: superiordan tek mini plak). Kesici diş ve molar diş bölgelerinden dikey yönde ayrı ayrı 200 N ısırma kuvvetleri uygulanmıştır. Titanyum ve CFR-PEEK mini plaklarından oluşan fiksasyon sistemleri karşılaştırılmıştır. Bulgular: Titanyum ve CFR-PEEK mini plak sistemlerinin tamamı 200N kesici ve molar bölge yüklemelerine karşı dayanım sağlayabildikleri görülmüştür. Her 3 pozisyonda da (pozisyon X: inferiordan tek mini plak, pozisyon Y: çift mini plak, pozisyon Z: superiordan tek mini plak), CFR-PEEK mini plak sistemlerinde plağa iletilen von Misses streslerinin daha az olduğu görülürken, titanyumdan yapılan mini plaklarda total deformasyon miktarı ve çeneye iletilen stresin daha düşük olduğu ölçülmüştür. Sonuç: Favorable mandibula angulus kırıklarında, plak sistemlerine iletilen von Misses stresleri azaldığı için CFR-PEEK plakların titanyum mini plaklara göre avantajlı olduğu görülmüştür. Total deformasyon miktarı ve kemiğe iletilen streslerde ise titanyum daha düşük değerler göstermiştir. Bu da titany

Anahtar Kelimeler: Fiksasyon; karbon fiberle güçlendirilmiş polietereterketon; titanyum; sonlu elemanlar analizi
ABSTRACT
 Objective: The aim of this study is to compare favorable mandibular angulus fractures with carbon fiber reinforced polyetheretherketone (CFR-PEEK) and titanium fixation systems by finite element analysis method. Material and Methods: In the mandible models, a favorable fracture line has been created in the digital environment. In the fixation of fracture lines in these models, 4- hole, 1.0 mm profile thickness bar miniplates and 5 mm long titanium screws were used. The examined miniplates are made of titanium and CFR-PEEK material. The plaques are placed in three different positions (position X: single miniplate from inferior, position Y: double miniplate, position Z: single miniplate from superior). 200 N biting forces were applied separately in vertical direction from the incisor and molar tooth regions. Fixation systems consisting of titanium and CFRPEEK miniplates have been compared. Results: It has been found that titanium and CFR-PEEK miniplate systems can provide resistance against all 200 N incisor and molar zone loads. In all 3 positions (position X: single miniplate from inferior, position Y: double miniplate, position Z: single miniplate from superior), CFR-PEEK mini-plate systems showed less von Misses stresses transmitted to the plate, while the total amount of deformation and stress transmitted to the jaw were measured to be lower in titanium mini-plates. Conclusion: In favorable mandibular angulus fractures, CFR-PEEK plaques have been found to be advantageous compared to titanium miniplates because the von Misses stresses transmitted to the plaque systems are reduced. In the total amount of deformation and stresses transmitted to the bone, titanium showed lower values. This shows that titanium is a more rigid fixation material.

Keywords: Fixation; carbon fiber reinforced polyetheretherketone; titanium; finite element analysis
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