Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

1300-9044 2667-5161

Ataturk University

10.17567/ataunidfd.321462

Dentistry

Diş Hekimliği

KUMLAMA İŞLEMİNDE KULLANILAN KUM PARTİKÜLLERİNİN BÜYÜKLÜĞÜ VE BASINÇ FARKLILIĞININ ZİRKONYUM VE REZİN SİMAN BAĞLANMA DAYANIMI ÜZERİNE ETKİSİ≠

Yanıkoğlu

Nuran

Özdemir

Hatice

Yıldırım

Melike Pınar

Yılmaz

Cenk Burak

06 14 2017

27 2 107 112 05 18 2016 06 21 2016

1986

Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi

Amaç: Bu çalışmanın amacı, aluminyum oksit ile kumlamaişleminde kullanılan kumun partikül büyüklüğü ve püskürtme basıncının zirkonyum- rezin siman bağlanma dayanımına etkisini değerlendirmektir. Gereç ve Yöntem: Bu çalışma için 100 adet zirkonyum örnek(10 mm çap ve 2 mm kalınlık) laboratuvarda hazırlandı. Örnekler akrilik rezinbloklara gömüldü. Örnek yüzeyleri cila diskleriyle düzeltildikten sonragruplara ayrıldı. 1.Grup: 2.8 atm basınçla Co-Jet (30 µm büyüklüğünde silanizeAl2O3 tozu); 2.Grup: 3.5 atm basınçla Co-Jet; 3.Grup: 2.8atm basınçta 30 µm büyüklüğündeki Al2O3 tozuyla kumlama;4.Grup: 2.8 atm basınçta 110 µm büyüklüğünde Al2O3 tozuylakumlama; 5.Grup: 3.5 atm basınçta 30 µm büyüklüğündeki Al2O3 tozuylakumlama; 6.Grup: 3.5 atm basınçta 110 µm büyüklüğündeki Al2O3 tozuylakumlama; 7.Grup: 3.Gruptaki işlem+Silan; 8.Grup: 4.Gruptaki işlem+Silan;9.Grup: 5.Gruptaki işlem+Silan ve 10.Grup: 6.Gruptaki işlem+Silan. Yüzeyişlemlerinden sonra örnek yüzeylerine kompozit diskler (5 mm çap ve 4 mmyükseklik) Panavia F 2.0 rezin siman ile yapıştırıldı. Sonra örnekler sırasıylauniversal bir test cihazına yerleştirilerek makaslama kuvveti uygulandı. Eldeedilen veriler Varyans analizi ve Tukey HSD testi ile değerlendirildi.Bulgular: Verilerin analizi sonucu en yüksek bağlanmadayanımı 10.Grupta (25.52±0.59 MPa) görülürken; en düşük bağlanma dayanımıdeğeri de 3.Grupta (15.08±0.41 MPa) görüldü. Gruplar arasındaki farklaristatistiksel olarak anlamlı bulundu ( p<0.01)Sonuç: Verilerin analizine göre, kumun partikülbüyüklüğü ve püskürtme basıncı arttıkça zirkonyum ve rezin siman arasındakibağlanma dayanımının arttığı görülmektedir. Ayrıca, kumlama sonrası silanuygulaması da bağlanma dayanımını artırmaktadır. Anahtar Kelimeler: Zirkonyum, Rezinsiman, Bağlanma dayanımı, Püskürtme basıncı,Kum büyüklüğü EFFECT OF DIFFERENTPRESSURE AND SIZE OF POWDER PARTICULES USED IN SANDBLASTİNG ON BOND STRENGTH OFZIRCONIUM AND RESIN CEMENTABSTRACTAim: The purpose of this study to evaluate the effect ofsize of powder particules and pressure of spraying used in sandblasting withaluminium oxide on bond strength between zirconium and resin cement.Material and Methods: A total of 100 zirconium specimen (10mm diameter and 2 mm thickness) were prepared in laboratory. The specimensembedded in acrylic resin blocks. After smoothening of specimens surface,specimens seperated the groups. 1.Group: Co-Jet at 2.8 atm pressure (Silica coated Al2O3 powder); 2.Group: Co-Jet at3.5 atm pressure; 3.Group: Sandlasting with 30 µm Al2O3powder at 2.8 atm pressure; 4. Group: Sandlasting with 110 µm Al2O3powder at 2.8 atm pressure; 5.Group: Sandlasting with 30 µm Al2O3powder at 3.5 atm pressure; 6.Group: Sandlasting with 110 µm Al2O3powder at 3.5 atm pressure; 7.Group:3.Group+Silane; 8.Group: 4.Group+Silane;9.Group: 5.Group+Silane; 10.Group: 6.Group+Silane. After the surfacetreatments, composite discs (5 mm diameter and 4 mm height) bonded to specimenssurface with Panavia F 2.0 resin cement. Then, specimens were placed in an universaltesting machine respectively. The shear bond strength test was performed. Thedata were analyzed with analyses of Variance and Tukey HSD test. Results: While the highest bond strength was obtained in the 10.Group (25.52±0.59 MPa), thelowest bond strenth was obtained in the 3.Group (15.08±0.41 MPa). Thedifferences between the groups were found found to be statistically significant. (p<0.01)Coclusion: According to theanalyses of data, when the size of powder particules and pressure of sandblastingdevice increased, the bond strenth between zirconium and resin cementincreased. Furthermore, the application of silane after the sandblasting wereincreased the bond strength. Keywords:Zirconium, Resin cement, Bond strength, Pressure of spraying, Size of powder

Zirkonyum Rezin siman Bağlanma dayanımı Püskürtme basıncı

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