.: ORİJİNAL ARAŞTIRMA
Evaluation of the Resistance and Bioactivity of Wollastonite and Hydroxyapatite Coated Zirconia Dental Implant Material
Wollastonite ve Hidroksiapatit Kaplı Zirkonya İmplant Materyalinin Bağlantı Dayanıklılığı ve Biyoaktivitesinin Değerlendirilmesi
Turkiye Klinikleri J Dental Sci. 2020;26(3):331-47
doi: 10.5336/dentalsci.2019-72514
Makale Dili: EN
Tam Metin
Ücretsiz Erişim
ABSTRACT
Objective: Zirconia dental implants are an alternative to titanium. Various studies have been carried out in order to improve the surface properties of zirconia implants like titanium implants. The aim of this study is to evaluate the resistance and bioactivity of zirconia dental implant materials coated with different ratios of hydroxyapatite and wollastonite powders by plasma spray method. Material and Methods: The bond strength between the zirconia and the coatings was measured according to the ASTM C-633 standard. The data were obtained by using one-way analysis of variance. Differences between the groups were determined by Post Hoc Tukey HSD test. Examples prepared for bioactivity testing were kept in 37 oC simulated body fluid for 2, 7, 14- and 21-day periods. Changes in the sample surfaces were analyzed by scanning electron microscopy using energy distribution x-ray spectrometry and x-ray diffraction device. Result: Bonding values of coatings containing different ratios of W were found to be significantly higher than pure HA coatings (p<0.05). Conclusion: All sample groups used in the study showed bioactive properties in simulated body fluid.
Keywords: Zirconia implant; plasma spray; wollastonite; hydroxyapatite; bioactivity; simulated body fluid
Objective: Zirconia dental implants are an alternative to titanium. Various studies have been carried out in order to improve the surface properties of zirconia implants like titanium implants. The aim of this study is to evaluate the resistance and bioactivity of zirconia dental implant materials coated with different ratios of hydroxyapatite and wollastonite powders by plasma spray method. Material and Methods: The bond strength between the zirconia and the coatings was measured according to the ASTM C-633 standard. The data were obtained by using one-way analysis of variance. Differences between the groups were determined by Post Hoc Tukey HSD test. Examples prepared for bioactivity testing were kept in 37 oC simulated body fluid for 2, 7, 14- and 21-day periods. Changes in the sample surfaces were analyzed by scanning electron microscopy using energy distribution x-ray spectrometry and x-ray diffraction device. Result: Bonding values of coatings containing different ratios of W were found to be significantly higher than pure HA coatings (p<0.05). Conclusion: All sample groups used in the study showed bioactive properties in simulated body fluid.
Keywords: Zirconia implant; plasma spray; wollastonite; hydroxyapatite; bioactivity; simulated body fluid
ÖZET
Amaç: Zirkonya, titanyuma alternatif olarak kullanılan dental implant materyalidir. Zirkonya implantların yüzey özelliklerinin geliştirilmesi için bir çok çalışma yapılmaktadır. Bu çalışmanın amacı farklı oranlarda vollastonit ve hidroksiapatitle kaplanmış zirkonyanın bağlantı dayanıklılığı ve biyoaktivitesini değerlendirmektir. Gereç ve Yöntemler: Zirkonya ve kaplama materyali arasındaki bağlantı dayanıklılığı ASTM C-633 standardına uyularak ölçüldü. Veriler tek yönlü varyans ile analiz edildi. Gruplar arası fark Post Hoc Tukey HSD testi ile saptandı. Kaplanmış örnekler 2, 7, 14 ve 21 günlük periyotlarla 37 derecedeki yapay vücut sıvısı içerisinde bekletildi. Örnek yüzeylerindeki değişimler, x-ışını spektrometre ve x-ışını difraksiyon ölçebilen taramalı elektron mikroskobu yardımıyla analiz edildi. Bulgular: Vollastonit içeren tüm gruplarda bağlantı dayanıklılığı ve biyoaktivite değerleri saf hidroksiapatit kaplı gruba kıyasla anlamlı olarak yüksek bulundu (p<0.05).Sonuç: Çalışmanın tüm örnek grupları yapay vücut sıvısı içerisinde bioaktif özellik göstermiştir.
Anahtar Kelimeler: Zirkonya implant; plazma sprey; vollastonit; hidroksiapatit; bioaktivite; yapay vücut sıvısı
Amaç: Zirkonya, titanyuma alternatif olarak kullanılan dental implant materyalidir. Zirkonya implantların yüzey özelliklerinin geliştirilmesi için bir çok çalışma yapılmaktadır. Bu çalışmanın amacı farklı oranlarda vollastonit ve hidroksiapatitle kaplanmış zirkonyanın bağlantı dayanıklılığı ve biyoaktivitesini değerlendirmektir. Gereç ve Yöntemler: Zirkonya ve kaplama materyali arasındaki bağlantı dayanıklılığı ASTM C-633 standardına uyularak ölçüldü. Veriler tek yönlü varyans ile analiz edildi. Gruplar arası fark Post Hoc Tukey HSD testi ile saptandı. Kaplanmış örnekler 2, 7, 14 ve 21 günlük periyotlarla 37 derecedeki yapay vücut sıvısı içerisinde bekletildi. Örnek yüzeylerindeki değişimler, x-ışını spektrometre ve x-ışını difraksiyon ölçebilen taramalı elektron mikroskobu yardımıyla analiz edildi. Bulgular: Vollastonit içeren tüm gruplarda bağlantı dayanıklılığı ve biyoaktivite değerleri saf hidroksiapatit kaplı gruba kıyasla anlamlı olarak yüksek bulundu (p<0.05).Sonuç: Çalışmanın tüm örnek grupları yapay vücut sıvısı içerisinde bioaktif özellik göstermiştir.
Anahtar Kelimeler: Zirkonya implant; plazma sprey; vollastonit; hidroksiapatit; bioaktivite; yapay vücut sıvısı
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