نتایج جستجو برای: vital bleaching

تعداد نتایج: 111408  

Journal: :International Dental Journal of Student's Research 2017

Background and Aim: Common causes of dental discoloration include trauma, drugs, genetic defects, decay, and age. In order to correct discoloration of pulpless teeth, internal bleaching is recommended. The aim of this study was to compare microleakage of resin modified glass ionomer and OrthoMTA used as an intraorifice barrier in non-vital bleaching. Materials and Methods: In this experimental ...

Journal: :Proceedings. Biological sciences 2002
Maoz Fine Yossi Loya

Recent reports of worldwide coral bleaching events leading to devastating coral mortality have caused alarm among scientists and resource managers. Differential survival of coral species through bleaching events has been widely documented. We suggest that among the possible factors contributing to survival of coral species during such events are endolithic algae harboured in their skeleton, pro...

Journal: :Journal of endodontics 1983
J C Baumgartner D E Reid A B Pickett

Thirty-six human teeth were examined to histologically determine if the Modified Mclnnes Bleaching Technique had any adverse effects on the pulp. Under the conditions of this study, there were no significant pulpal reactions to the bleaching technique even when a substantial amount of the enamel was removed from the facial surface of the crowns. J. Craig Baumgartner 4 The Modified McInnes Bleac...

Journal: :The journal of contemporary dental practice 2001
R W Gerlach X Zhou

Rapid innovation in vital bleaching has increased the popularity of tooth whitening among dental professionals and patients. A broad range of peroxide-based treatments are currently available including those that are professionally-administered (in-office), professionally-dispensed (custom-tray-based systems), and self-directed (over-the-counter). Recently, a novel, flexible polyethylene bleach...

Journal: :Journal of Natural Science, Biology and Medicine 2014

1999
R. P. Paiva A. Dourado B. Duarte

In paper industry, pulp bleaching is a most important concern in order to effectively respond to the high quality standards demanded by market requirements. Thus, a good knowledge of the bleaching plant is vital to achieve those goals. In this paper a neuro-fuzzy strategy is proposed to aid bleaching quality by predicting the outlet brightness. It consists of two phases: in the first one, a fuz...

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