10 documents found, page 1 of 1

An Overview of Polymer-Supported Catalysts for Wastewater Treatment through Lig...

In recent years, alarm has been raised due to the presence of chemical contaminants of emerging concern (CECs) in water. This concern is due to the risks associated with their exposure, even in small amounts. These complex compounds cannot be removed or degraded by existing technologies in wastewater treatment plants. Therefore, advanced oxidation processes have been studied, with the objective of developing a ...

Workplace bullying and presenteeism : the path through emotional exhaustion and...

Objective: Workplace bullying is an increasing phenomenon that concerns managers and employees. However, few studies have investigated how workplace bullying relates with work-related exhaustion and indicators of productivity loss due to presenteeism. Thus, the aim of the present study was to examine the intervening variables of emotional exhaustion and psychological wellbeing in the direct and indirect relatio...

Prevalence of dental caries and fissure sealants in a Portuguese sample of adol...

The aims of this study were to assess the prevalence of dental caries and the DMFT index, as well as the distribution pattern of pit and fissure sealants on permanent teeth in a Portuguese sample of adolescents, and to assess whether the existing usage of sealants and socio-demographic factors are correlated to caries prevalence on the examined sample. Materials and Methods A cross-sectional study was designed ...

Oral and gastric Helicobacter pylori: effects and associations

This study consisted in the comparison of the prevalence of Helicobacter pylori (H. pylori) present in the stomach and in saliva of a sample of Portuguese adolescents and the assessment of the association between H. pylori infection with socio-demographic variables and prevalence of dental caries. Materials and Methods A cross-sectional study was designed including a sample of 447 adolescents aged 12 to 19 year...

Prevalence of dental caries and fissure sealants in a Portuguese sample of adol...

Introduction: The aims of this study were to assess the prevalence of dental caries and the DMFT index, as well as the distribution pattern of pit and fissure sealants on permanent teeth in a Portuguese sample of adolescents, and to assess whether the existing usage of sealants and socio-demographic factors are correlated to caries prevalence on the examined sample. Materials and Methods: A cross-sectional stud...

Prevalence of dental caries and fissure sealants in a portuguese sample of adol...

Introduction: The aims of this study were to assess the prevalence of dental caries and the DMFT index, as well as the distribution pattern of pit and fissure sealants on permanent teeth in a Portuguese sample of adolescents, and to assess whether the existing usage of sealants and socio-demographic factors are correlated to caries prevalence on the examined sample. Materials and Methods: A cross-sectional stud...

Oral health behaviors in a sample of Portuguese adolescents: an educational issue

BACKGROUND: The objective of this study was to determine the prevalence of oral health behaviors among a sample of Portuguese adolescents and to evaluate the association with socio-demographic factors. METHODS: This cross-sectional study was conducted among 447 adolescents aged 12-19 years, attending a public school in Sátão, Portugal. A self-administered questionnaire was applied for data collection. RESULTS: ...

Fissure sealants: a review of their importance in preventive dentistry

Background: For the prevention of dental caries, fissure sealants application is recommended if pits and fissures are very deep and narrow, creating a physical barrier for the plaque's accumulation, in these specific anatomical areas of the tooth. Aim: This review article about fissure sealant aims to address the main properties, indications, advantages and limitations of fissure sealants that are used in order...

Fissure sealants: A review of their importance in preventive dentistry

Background: For the prevention of dental caries, fissure sealants application is recommended if pits and fissures are very deep and narrow, creating a physical barrier for the plaque's accumulation, in these specific anatomical areas of the tooth. Aim: This review article about fissure sealant aims to address the main properties, indications, advantages and limitations of fissure sealants that are used in order...

Drug delivery systems: Advanced technologies potentially applicable in personal...