Ascenso, M. P.Mesquita, M. F.Mendes, José JoãoAscenso, C.Manso, A. C.2017-11-142017-11-142016-11-10http://hdl.handle.net/10400.26/19320Poster apresentado no XXV Congresso da Ordem dos Médicos Dentistas, 10-12 Novembro 2016. Porto, PortugalSob uma licença CC-BY-NC - http://creativecommons.org/licenses/by-nc/4.0/Introduction: It is estimated that the prevalence of halitosis, varies between 2-44% at world population. It is suggested that the oral pH value is an important factor on the oral microbiota composition which has impact in gaseous breath constitution (2).The aim of this study was to compare the effect of four mouthwashes on salivary pH values, over time.engHalitosispHMouthwashesconference object