Biomechanical Properties of Glass Ionomer Cement Used for Repair of Incudostapedial Joint Discontinuity

Abstract

In this study, the biomechanical properties of glass ionomer cement used for repair of incudostapedial joint bridge in ear in two different distances was investigated. A master block was used to locate the incus and stapes with a 91 degree angle constant. Two experimental groups were composed according to the distances between incus and stapes which were adjusted as 1.0 and 2.0 mm. The mixture of bone cement was applied to the gap between incus and stapes and adhere them together. Compression tests were performed to these joints. Strength value of group 1 were found significantly higher than group 2 (p=0.042). The fragility of bone cement used in 2 mm gap was 25,5% higher compared to 1 mm gap

Keywords

• Glass ionomer cement
• Incus
• Stapes
• Compression
• Fragility

Inkudostapedial Bağlantı Süreksizliklerinin Onarımında Kullanılan Cam İyonomer Çimentosunun Biyomedikal Özellikleri

Abstract

Bu çalışmada kulak içi inkudostapedial bağlantı köprüsünün iki farklı mesafede onarımında cam iyonomer çimentosunun biyomekanik özelliklerini incelenmiştir. İnkus ve stapesin 91 derecelik sabit bir açıda yerleştirilmesi için bir master blok kullanılmıştır. İki deney grubu, inkus ve stapes arasında 1,0 ve 2,0 mm mesafe olacak şekilde oluşturulmuştur. Kemik çimentosu karışımı inkus ve stapes arasındaki bu boşluğa dolduruluştur. Oluşan bu bağlantılara basma testi uygulanmıştır. Dayanım değerlerinin Grup 1’ de, Grup 2’ ye göre oldukça fazla olduğu bulunmuştur (p=0.042). Kırılganlık, 2,0 mm boşluğa uygulanan çimentoda 1,0 mm’ ye göre % 25,5 daha yüksek çıkmıştır. 

Keywords

• Cam İyonomer Çimentosu
• İnkus
• Stapes
• Basma
• Kırılganlık

References

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