selcuk dent j

Selcuk Dental Journal

2148-7529

Selcuk University

10.15311/selcukdentj.1074645

Dentistry

Diş Hekimliği

Evaluation of fracture strength of different CAD/CAM veneers that are manufactured for zirconia cores

https://orcid.org/0000-0003-2928-2526

Akat

Bora

ANKARA ÜNİVERSİTESİ

https://orcid.org/0000-0001-5698-8220

Çakırbay Tanış

Merve

GAZİ ÜNİVERSİTESİ

https://orcid.org/0000-0002-8619-957X

Kılıçarslan

Mehmet Ali

ANKARA ÜNİVERSİTESİ, DİŞ HEKİMLİĞİ FAKÜLTESİ

12 26 2022

9 3 769 776 02 17 2022 03 29 2022

2014

Selcuk Dental Journal

Amaç. Bu çalışmanın amacı, farklı veneer materyalleri ve işlemleri ile hazırlanmış basit ve anatomik kor tasarımları kullanarak kaplanmış zirkonya altyapılı kronların kırılma direncini değerlendirmektir.Gereç ve Yöntemler. Anatomik bir çekirdek tasarımı veya basit bir çekirdek tasarımı ile toplam 100 zirkonya kron altyapısı üretildi. Bu kor altyapılar daha sonra aşağıdaki veneerleme prosedürlerine göre beş alt gruba ayrıldı: Kontrol (katmanlama), simante CAD/CAM fabrikasyon feldspatik veneer, simante CAD/CAM fabrikasyon lityum disilikat veneer, porselenle kaynaştırılmış CAD/CAM fabrikasyon feldspatik veneer ve porselenle kaynaştırılmış CAD/CAM fabrikasyon lityum disilikat kaplama. Daha sonra, bir çiğneme simülatöründe 1,6 Hz'de 50 N'luk bir oklüzal yük ile 250000 döngü uygulandı ve yükleme sırasında bir termal döngü uygulandı (her 60 saniyede bir 5°C ila 50°C). Kronlar daha sonra evrensel bir test makinesi kullanılarak kırma testine tabi tutuldu.Bulgular. Gruplar arasında istatistiksel analizler önemli farklılıklar gösterdi (F= 23.296; p

Background. The purpose of this study was to evaluate the fracture resistance of zirconia crowns veneered with CAD/CAM fabricated veneers by using simple and anatomic core designs with different veneering materials and procedures.Methods. A total of 100 zirconia frameworks were fabricated with an anatomic core design or simple core design. The frameworks were then divided into five subgroups according to the following veneering procedures: Control (layering), cemented CAD/CAM fabricated feldspathic veneer, cemented CAD/CAM fabricated lithium disilicate veneer, fused CAD/CAM fabricated feldspathic veneer, and fused CAD/CAM fabricated lithium disilicate veneer. Next, 250000 cycles were applied with an occlusal load of 50 N at 1.6 Hz in a chewing simulator, and a thermal cycle was applied during loading (5°C to 50°C every 60 s). The crowns were then subjected to a single load failure test by using a universal test machine.Results. Statistical analyses between the groups showed significant differences (F= 23.296; p

Zirkonya Kron Altyapı Tasarımı Dental CAD/CAM Kırılma Dayanımı Veneering

Dental CAD/CAM Zirconia Crowns Core Design Fracture Strength Veneering

Ankara Üniversitesi

14A0234001

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