Nélio J. Veiga

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BACKGROUND AND OBJECTIVE Little is known about the factors that affect the microbial composition of supragingival biofilms. This study was designed to examine the relationship between total DNA probe counts of supragingival biofilm samples, clinical parameters and supragingival biofilm composition. MATERIAL AND METHODS Supragingival plaque samples were(More)
The effects of seasonal variations and the methods of collection of propolis produced by Africanized honey bees Apis mellifera Linnaeus, 1758, on the composition of constituent minerals such as magnesium (Mg), zinc (Zn), iron (Fe), sodium (Na), calcium (Ca), copper (Cu), and potassium (K) were evaluated. Propolis was harvested from 25 beehives by scraping(More)
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(More)
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(More)
INTRODUCTION 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(More)
Over the last decades, dental caries and periodontal diseases have been the most common oral disorders affecting 60-90% of schoolchildren and 5-20% of middleaged adults [4,5]. Oral pathologies represent, because of their high incidence, one of the major health problems among children and adolescents. However, if early prevented and adequately treated,(More)
The increase in the elderly population is a factor that occurs worldwide. This fact can be explained by the improvement of living conditions of the populations, advances in medicine, improved sanitation and increase in the community and individual health care. The use of several drugs, self-medication, drug side effects, several drug interactions and(More)
Nélio Veiga1,2*, Daniela Aires1, Filipa Douglas1, Margarida Pereira1, Ana Vaz1, Liliana Rama1, Mariana Silva1, Vanessa Miranda1, Francisco Pereira1, Beatriz Vidal1, Joao Plaza1 and Filipa Bexiga1 1Health Sciences Institute Universidade Catolica Portuguesa, Estrada da Circunvalacao, 3504-505, Viseu, Portugal 2Center for Interdisciplinary Research in Health(More)