Analysis of the effects of implant cements between different abutments and CAD/CAM materials on connection strength

Anahtar Kelimeler:

Adhesion, CAD/CAM, microshear

Analysis of the effects of implant cements between different abutments and CAD/CAM materials on connection strength

Objective: The aim of this study is to evaluate the effects of cementation of zirconium and titanium abutments and different CAD/CAM materials with 2 different implant cements on shear bond strength. Material and Method: For this study, a total of 120 rectangular prism specimens of monolithic zirconia and titanium blocks have been prepared. 40 specimens have been prepared from 3 different CAD/CAM blocks. 9% hydrofluoric acid was applied to zirconia supported lithium disilicate. Resin nano ceramic and zirconium oxide ceramic stabilized with yttrium were sandblasted with Al2O3 particles. CAD/CAM specimens produced were cemented on abutments using permanent and temporary implant cement. Upon the cementation, the specimens were stored in distilled water at 37 °C for 24 hours and after when a microshear test was applied at a speed of 0.5 mm/min in a universal test device. The values obtained were evaluated statistically by Student t-test, Mann Whitney U, Kruskal Wallis and All Pairwise tests (p <0.05). Results: The bond strength of all permanent implant cements (17.15± 5.75) were found to be significantly higher than the bond strength of temporary implant cements (10.66± 3.85). No significant difference in bond strength was determined between titanium (13.77±4.64), and zirconia (14.04±6.91) abutment materials. There was a significant difference between the superstructure ceramics in terms of bond strength (p = 0.001). Conclusion: According to the results of this study, it was seen that the abutment material had no effect on the bond strength but the bond strength of the selected cement and restoration was significantly affected. İmplant simanlarının farklı abutment ve CAD/CAM materyalleri arasındaki bağlantı dayanımı üzerine etkilerinin i̇ncelenmesi Amaç: Bu çalışmanın amacı, zirkonyum ve titanyum abutmentlar ile farklı CAD/CAM materyallerinin 2 farklı implant simanı ile simantasyonunun, makaslama bağlanma dayanımı üzerindeki etkilerinin değerlendirilmesi. Yöntemler: Toplamda 120 adet dikdörtgen prizma şeklinde monolotik zirkonya ve titanyum örnekler hazırlandı. Zirkonya ile güçlendirilmiş lityum disilikat cam seramik, rezin nano seramik ve itrium ile stabilitize zirkonyum oksit seramik oluşan 3 farklı tip CAD/CAM bloğundan 40’ar adet örnek üretildi. Rezin nanoseramik ve yitrium ile stabilitize zirkonyum oksit seramik blokların simantasyon yüzeyi Al2O3 partikülleri ile kumlandı. Üretilen CAD/CAM örnekler, daimi ve geçici implant simanı kullanılarak simante edildi. Simantasyonu takiben örnekler 24 saat boyunca 37 ºC de damıtılmış su içinde saklandı ve sonra universal test cihazında 0,5 mm/dk hızla makaslama testi uygulandı. Elde edilen değerleri Student t-testi, Mann Whitney U, Kruskal Wallis ve All Pairwise testleri kullanılarak istatistiksel olarak değerlendirildi (p<0,05). Bulgular: Tüm daimi implant simanların bağlanma dayanımları [17,15 (± 5,75)], geçici implant simanlarının bağlanma dayanımlarından [10,66 (± 3,85)] anlamlı derecede yüksek bulundu. Titanyum [13,77 (± 4,64)], ve zirkonya [14,04 (± 6,91)] abutment materyalleri arasında bağlanma dayanımları bakımından anlamlı bir farklılık bulunmadı. Üst yapı seramikleri arasında bağlanma dayanımı bakımından anlamlı bir farklılık vardı (p=0,001). Sonuç: Bu çalışmanın sonuçlarına göre abutment materyal tipinin bağlantı dayanımına etkisinin olmadığı ancak seçilen siman ve üst yapı restorasyonunun bağlantı dayanımında anlamlı derecede etkili olduğu görüldü. Anahtar Kelimeler: Adezyon, CAD/CAM, Mikroshear

Keywords:

Adhesion, CAD/CAM, microshear,

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