نتایج جستجو برای: tooth discoloration

تعداد نتایج: 92102  

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...

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: :research on history of medicine 0
seyed mojtaba mirmiran assistance professor, guilan university mojgan masoudi endodentist and student of iranian studies

although esthetic is a relative issue, depending upon the country and culture, almost all around the world, there is a consensus that a beautiful set of teeth is the one which is white and bright and is aligned regularly. in iran also the main feature of a beautiful tooth is its whiteness. during the past decades and centuries, tooth discoloration was considered as an esthetic issue and differe...

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 ...

2017
Aakash Shah

Tooth colour has esthetic importance since it is visible during speech and smile. It plays a major role in overall smile of an individual. This review discusses the various causes of tooth discoloration.

Journal: :iranian endodontic journal 0
maryam zare jahromi associate professor of endodontics, dental school, islamic azad university of medical sciences, khorasgan branch, isfahan, iran amir arsalan navabi 2. postgraduate student, islamic azad university of medical sciences, khorasgan branch, isfahan, iran mahsa ekhtiari general dentist

introduction: intrinsic tooth discolorations after endodontic treatment are principally attributed to the composition of necrotic pulp tissue, hemorrhage within the pulp cavity, endodontic medicaments and/or filling materials. residual sealer left in pulp chamber after obturation can cause discoloration. the objective of this in vitro study was to evaluate coronal discoloration created by ah26 ...

2017
Amin Salem-Milani Saeede Ghasemi Saeed Rahimi Amir Ardalan-Abdollahi Mohammad Asghari-Jafarabadi

Background The aim of this study was to evaluate the discoloration induced by CEM cement, Portland cement (PC) and MTA mixed with propylene glycol (MTA-PG) in comparison to White MTA. Material and Methods Ninety extracted premolar and canine teeth were resected 2 mm below the CEJ. The coronal part of crown was prepared with peeso reamer and Gates-Glidden drills, and the specimens were randoml...

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 dentistry, tehran university of medical sciences 0
beheshteh malek afzali amir ghasemi asrin mirani zahra abdolazimi alireza akbarzade baghban mohammad javad kharazifard

objectives: color change of composite restorations is well known to dentists. however, the effect of commonly consumed drinks on discoloration of composite resins has yet to be determined. this study sought to assess the color change of a nanofilled (premise) and a flowable composite resin (premise flowable) following simulated consumption of tea, cola, iron drops and multivitamin syrup. materi...

Journal: :journal of dental research, dental clinics, dental prospects 0
arezoo jahanbin associate professor of orthodontics, faculty of dentistry, mashhad university of medical sciences, mashhad, iran mohammad basafa professor of orthodontics, faculty of dentistry, mashhad university of medical sciences, mashhad, iran mostafa moazzami associate professor of restorative dentistry, dental research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iran behnoush basafa dentist, mashhad, iran neda eslami assistant professor of orthodontics,dental research center, mashhad university of medical sciences

background and aims. the aim of this study was to evaluate the effect of different etching times on enamel color stability after immediate versus delayed exposure to colored artificial saliva (cas). materials and methods. human first premolars were divided into five groups of twenty. a colorimeter was used according to the cie system on the mid-buccal and mid-lingual surfaces to evaluate initia...

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