نتایج جستجو برای: discoloration

تعداد نتایج: 3010  

2016
Sohrab Tour Savadkouhi Mahta Fazlyab

Tooth discoloration induced by endodontic sealers, is a common finding that impairs aesthetic outcome of endodontic treatment. The aim of the present mini literature review, was to summarize the existing data on discoloration potential of different endodontic sealers. The research covered the article published in PubMed and Google Scholar from 2000 to 2015. The searched keywords included 'tooth...

Journal: :iranian endodontic journal 0
sohrab tour savadkouhi mahta fazlyab

tooth discoloration induced by endodontic sealers, is a common finding that impairs aesthetic outcome of endodontic treatment. the aim of the present mini literature review, was to summarize the existing data on discoloration potential of different endodontic sealers. the research covered the article published in pubmed and google scholar from 2000 to 2015. the searched keywords included ‘tooth...

2017
Un-Bong Baik Hoon Kim Hwa-Sung Chae Ji-Yun Myung Youn-Sic Chun

OBJECTIVE Teeth discoloration is a rare orthodontic complication. The aim of this study was to report the clinical progression of discoloration during orthodontic treatment. METHODS Discolored teeth, detected during orthodontic treatment between January 2003 and December 2012 by a single dentist using similar techniques and appliances, were analyzed. RESULTS The total number of teeth that s...

2017
Z. A. Ayoub M. M. El Jamal

The degradation of the AB1 dye by electro-generated species using a BDD electrode was performed. The results were explained by the generation of OH radical, S2O8 in the presence of sulfate, and active halide species in the presence of halide salt. The discoloration rate increases in this order: sulfate, KCl, KBr. In the presence of KCl, the discoloration is affected by the current density, init...

Journal: :Archives of dermatology 2010
Sheilagh M Maguiness William Y Hoffman Tim H McCalmont Ilona J Frieden

OBJECTIVE To evaluate the relationship between early white discoloration of infantile hemangioma (IH) and ulceration. DESIGN Retrospective cohort study. SETTING Tertiary referral center. PATIENTS A case series of 11 infants with early white discoloration of IH are described. An additional 55 infants with IH, aged 3 months, were evaluated retrospectively from a photograph archive to furthe...

2002
Ilan Rotstein

Bacterial, mechanical, or chemical irritation to the pulp may result in tissue necrosis and release of disintegration by-products that may penetrate tubules and discolor the surrounding dentin. The degree of discoloration is directly related to how long the pulp has been necrotic. The longer the discoloration compounds are present in the pulp chamber, the greater the discoloration. Such discolo...

Journal: :Journal of endodontics 2016
Bill Kahler Giampiero Rossi-Fedele

INTRODUCTION The American Association of Endodontists clinical considerations for regenerative therapy (April 2015) advise of the risk of the possible adverse effect of staining of teeth. It is widely acknowledged that before these guidelines were developed there was no standardized protocol for regenerative therapy, and different approaches using different materials have been reported. The pur...

2014
Katya I. Milenova Penko M. Nikolov Anna L. Georgieva Todor T. Batakliev Vladimir F. Georgiev Slavcho K. Rakovsky

Three different reactive dyes Reactive Blue 19, Reactive Orange 16 and Reactive Red 180 were dissolved in water separately in concentration 0.04g/l as model pollutants for contaminated wastewaters from textile industry. Every wastewater sample was treated by ozone with concentration 2000 ppm for 30 minutes at ambient temperature and the effect of discoloration was traced after 5, 10, 20 and 30 ...

Journal: :Journal of endodontics 2010
Jong-Hyun Kim Yuran Kim Su-Jung Shin Jeong-Won Park Il-Young Jung

INTRODUCTION A triple antibiotic mixture of ciprofloxacin, metronidazole, and minocycline was used as an intracanal medicament in an attempt to disinfect the root canal system for revascularization of a tooth with a necrotic pulp. However, discoloration developed after applying the triple antibiotic mixture. METHODS Six weeks after a triple antibiotic paste had been applied to the root canal ...

2016
Nicole C DeMartinis Philip R Cohen

Subungual melanoma with pigmentation beneath the nail that extends to involve the proximal nail fold is referred to as Hutchinson's sign. Black or brown subungual discoloration involving the proximal nail fold secondary to other etiologies has been referred to as pseudo-Hutchinson's sign. Three patients with nail discoloration and concurrent dyschromia of the proximal nail fold are described: a...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید