Background and Aim: The aim of this study was to examine the effect of Er:YAG laser irradiation on caries-like lesions in a simulated caries model. Materials and Methods: Twenty extracted human noncarious molar teeth were selected. The teeth were covered with nail varnish, leaving two windows (approximately 4mm×2mm) on both the buccal and lingual surfaces at the middle third of the crown. The w...

Fluoride is recognized as an effective agent for dental caries prevention. Generally, the main source of fluoride intake is drinking water. In this study, fluoride content in 18 commercial brands of bottled waters was investigated. Six samples from each batch of 18 Iranian commercial brands of bottled waters were supplied. The fluoride content of samples was analyzed by Fluoride Ion Selective E...

Fluoride is recognized as an effective agent for dental caries prevention. Generally, the main source of fluoride intake is drinking water. In this study, fluoride content in 18 commercial brands of bottled waters was investigated. Six samples from each batch of 18 Iranian commercial brands of bottled waters were supplied. The fluoride content of samples was analyzed by Fluoride Ion Selective E...

This paper presents results that illustrate the recycling of a bamboo derived sorbent used for the capture of elemental mercury (Hg). The bamboo derived sorbent used is essentially a HCl functionalized activated carbon prepared from carbonization and CO2 activation of raw bamboo, that could potentially provide an alternative way to existing methods in removing mercury from flue gases from coal-...

Objectives One of the economical ways of dental caries prevention is using fluoride containing toothpastes. For fluoride to be effective in toothpastes, significant amount of fluoride need to be in solution form. Global standard of fluoride content of toothpastes is 1500 ppm (part per million).This study aimed to determine fluoride content of some special toothpastes. Methods This research was...

Background & Aims: The present study compared fluoride uptake into enamel from sodium fluoride 0.05% gel and American Dental Association approved fluoride gel (Stannous fluoride 0.4% , Sultan Co.) when used on healthy enamel of the intact teeth. Methods: In an experimental study, 30 intact teeth extracted for orthodontic purposes were randomly assigned into two groups of 15 teeth. The teeth wer...

background and aims. streptococcus mutans is the main pathogenic agent involved in dental caries, and may be eliminated using mouthwashes. the objective of this study was to compare the effects of fluoride, chlorhexidine, and fluoride-chlorhexidine mouthwashes on salivary s. mutans count after two weeks of use and determine the prevalence of their side effects on the oral mucosa. materials and ...

objectives: this study aimed to assess the self-reported knowledge and attitude of dentists towards fluoride prescription. materials and methods: a questionnaire survey was conducted at the national annual dental congress in 2010 in tehran-iran. dentists’ level of knowledge about the preventive effects of systemic and topical administration of fluoride was assessed as well as their attitudes to...