Comparison of the translucency parameters and bond strength of 5Y-ZP zirconia, 3-YTZP zirconia, and lithium disilicate.

Background: E-max is a more aesthetic material than traditional zirconia. In addition, the bond strength of traditional zirconia with adhesive cements is lower. There are not enough studies on how the aesthetic values and bond strength of 5-YZP, the new generation zirconia, compare to e-max and traditional zirconia.

Measuring the resistance of different substructure materials by sticking them to dentine with two different resin cements .

Introduction: The resistance of three different substructure materials - metal (Cr-Co), zirconium (Zr), and ceramics (IPS Empress II) - was measured by sticking them to dentine with two different resin cements, a dual-cure resin cement (Panavia F 2.0 Light) and a self-adhesive resin cement (BisCem).

Materials And Methods: In an in vitro study, 72 central upper front teeth were selected with no decay or apparent breakage and with complete development, removed for periodontal reasons.

Effects of Finger Pressure Applied By Dentists during Cementation of All-Ceramic Crowns.

Objectives: To compare the finger pressure applied by dentists during cementation and to examine the effect of gender and time of day on finger pressure.

Methods: Fifteen dentists (9 males, 6 females) formed a study group and 10 master dies in premolar shape and Turcom Cera all-ceramic crowns were prepared to measure the maximum finger pressure applied by dentists during cementation. The dentists performed a total of 300 cementation processes.

Denture barcoding: a new horizon.

Labelled dentures can be important in identifying people who have lost their memory or in identifying the bodies of those who have died in disasters. Forensic dentistry has long considered marking dentures, although no standardised method has been developed. Of the many options considered, none maintain the marking after the dentures break or are altered in occurrences such as plane crashes, which can result in a marked increase in temperature.

[Purification and characteristics of alkaline proteinase from alkalophylic Bacillus sp].

Alkaline protease was purified from Bacillus sp. isolated from soil. The pH optimum was 11.