Evaluation of the radiopacity of various post materials
Küçük Resim Yok
Tarih
2014
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Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
Amaç: Dört farklı post materyalinin radyoopasitelerinin karşılaştırılmalı olarak değerlendirilmesidir. Gereç ve Yöntem: Farklı üreticilere (CosmoPost (Ivoclar Vivadent, Leicester, İngiltere), Unicore (Ultradent, Salt Lake City, CA, ABD), D.T.Light-Post (Bisco Inc, Schaumburg, IL ABD), FRC Postec Post (Ivoclar Vivadent, Schaan, Liechtenstein) ait postlardan, düşük hızda dönen elmas separe yardımıyla 2 mm kalınlığında sekizer tane örnek elde edildi. Örnekler dörderli gruplar halinde %99 saflıkta alüminyum step wedge ile birlikte fosfor plak üzerinde konumlandırıldı ve standart dijital radyografiler alındı. TIFF formatında kaydedilen görüntüler, görüntü analiz programıyla değerlendirildi ve her örneğin ortalama grilik değerleri tespit edildi. Veriler tek yönlü varyans analizi ve Tukey çoklu karşılaştırma testleri kullanılarak olarak analiz edildi (p=0,05). Bulgular: En yüksek radyoopasite değeri Cosmopost (7,37±0,17 mm Al) için saptandı. Bu materyali sırasıyla Unicore (4,3±0,26 mmAl), D.T.Light-Post (2,11±0,1 mmAl) ve FRC Postec (1,72±0,24 mmAl) izledi (p<0,001). Sonuçlar: FRC Postec, D.T.Light Post ve Unicore post materyallerinin tümü fiber esaslı olmakla birlikte radyoopasite değerleri birbirinden farklı bulunmuştur ve bu sonuçlar literatürle uyumludur. Zirkonyum dioksit içerikli Cosmopost ise oldukça yüksek radyoopasite değeri sergilemiştir. Elde edilen sonuçların klinik çalışmalarla irdelenmesinin faydalı olacağını kanısındayız.
Objectives: The aim of this study was to evaluate the radiopacity of four different types of post materials by using a digital image analysis method. Materials and Methods: Various brands of four post systems CosmoPost (Ivoclar Vivadent, Leicester, UK), Unicore (Ultradent, Salt Lake City, CA, USA), D.T.Light-Post (Bisco Inc, Schaumburg, IL, USA), FRC Postec (Ivoclar Vivadent, Schaan, Liechtenstein) were used for the study. Eight specimens from each post type of 2 mm in thickness were obtained using a diamond blade mounted on a cutting machine. Eight digital radiographs of the specimens and 99% pure aluminium (Al) step wedge (SW) were acquired under standard exposure conditions. The mean gray values of each specimen and Al-SW were measured using a digital imaging software. Data were analyzed using one-way ANOVA and post-hoc Tukey tests (p=0.05). Results: The highest opacity was observed for Cosmopost (7.37±0.17 mmAl), which was followed by Unicore (4.3±0.26 mmAl), D.T.Light-Post (2.11±0.1 mmAl), and FRC Postec (1.72±0.24 mmAl), respectively (p<0.001). Conclusions: Even though all three post materials are based on fiber, the radiopacity values of FRC Postec, D.T.Light Post and Unicore were different from each other; this was concordant with the literature. Zirconium dioxide containing Cosmopost revealed the highest radioopacity. These findings shall be further evaluated and confirmed by clinical investigations in order to provide more substantial decision.
Objectives: The aim of this study was to evaluate the radiopacity of four different types of post materials by using a digital image analysis method. Materials and Methods: Various brands of four post systems CosmoPost (Ivoclar Vivadent, Leicester, UK), Unicore (Ultradent, Salt Lake City, CA, USA), D.T.Light-Post (Bisco Inc, Schaumburg, IL, USA), FRC Postec (Ivoclar Vivadent, Schaan, Liechtenstein) were used for the study. Eight specimens from each post type of 2 mm in thickness were obtained using a diamond blade mounted on a cutting machine. Eight digital radiographs of the specimens and 99% pure aluminium (Al) step wedge (SW) were acquired under standard exposure conditions. The mean gray values of each specimen and Al-SW were measured using a digital imaging software. Data were analyzed using one-way ANOVA and post-hoc Tukey tests (p=0.05). Results: The highest opacity was observed for Cosmopost (7.37±0.17 mmAl), which was followed by Unicore (4.3±0.26 mmAl), D.T.Light-Post (2.11±0.1 mmAl), and FRC Postec (1.72±0.24 mmAl), respectively (p<0.001). Conclusions: Even though all three post materials are based on fiber, the radiopacity values of FRC Postec, D.T.Light Post and Unicore were different from each other; this was concordant with the literature. Zirconium dioxide containing Cosmopost revealed the highest radioopacity. These findings shall be further evaluated and confirmed by clinical investigations in order to provide more substantial decision.
Açıklama
Anahtar Kelimeler
Diş Hekimliği
Kaynak
Cumhuriyet Dental Journal
WoS Q Değeri
Scopus Q Değeri
Cilt
17
Sayı
4
