AIM The aim of this study was to measure the temperature increase induced by various light-curing units during photo-polymerization beneath ceramic restorations. METHODS Three light-curing units were used; a high intensity QTH unit Elipar 2500 and two LED units: Translux Power Blue and Excelled 1400. The 15 ceramic specimens (CEREC Blocks) used in this study were of 2.5 mm thickness, 5 mm wid...

The purpose of this study was to evaluate the effect of changes in the tapering angle of inlay casting, adhesive gap and cavosurface margin on the cavity wall adaptability of the inlay made by the dental CAD/CAM CEREC 2 system. Designed inlay castings were fabricated at three different tapering angles: 0, 3, and 6 degrees. Adhesive gap of 0, -50, -100 microns and adhesive gap of 0 micron combin...

Bensheim/Salzburg, 25 February 2016. Zirconium dioxide has been successfully used in dentistry for about 20 years. The majority are restorations with zirconia frameworks and ceramic veneers. For the past six years, fully anatomical zirconium dioxide (full contour zirconia) has been increasingly used for restorations (crowns and bridges) [1] [2] [3]. The results from in vitro tests show that wit...

We aimed to evaluate the trueness of digital and conventional impression techniques based on different angles distances between implants deviation caused by angle distance parameters varying implants. Eight were placed in a polyurethane edentulous mandibular model at distances. After obtaining 3-dimensional (3D) reference using an optical scanner, was scanned with three intraoral scanners: Cere...

Bu in vitro çalışmanın amacı, diş destekli sabit protezlerde kullanılan monolitik Zirkonya Kuronların ideal kalınlığı ile iki farklı kuron preparasyonunun (Rehber Oluklu Diş Kesimi ve Konvansiyonel Kesim yöntemleri) ilişkisini araştırmaktır. Çalışmamız için Frasaco fantom mandibulasına yerleştirilmiş 39 adet prefabrike sağ alt azı dişi kullanıldı. dişlerin 16'sı yöntemi diğer 23 ise Rehber Tekn...

Objective: the aim of this study was to compare mechanical behavior different ceramics when used in thinvertical preparations versus traditional horizontal preparation. Material and Methods: two stainless-steel dieswere milled simulate a minimally invasive vertical preparation (VP) preparation(HP) for an all-ceramic crown maxillary first premolar. The dies were duplicated using epoxyresin. Eigh...