Journal of endodontics · 2009
Comparison of 2.5% sodium hypochlorite and 2% chlorhexidine gel on oral bacterial lipopolysaccharide reduction from primarily infected root canals.
Сравнительное исследованиеСтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Gomes Brenda P F A, Martinho Frederico C, Vianna Morgana E
Аннотация
INTRODUCTION: This clinical study was conducted to compare the efficacy of chemomechanical preparation with 2.5% sodium hypochlorite (NaOCl) and 2% chlorhexidine (CHX) gel on eliminating oral bacterial lipopolysaccharide (LPS) in teeth with pulp necrosis and apical periodontitis.
METHODS: Fifty-four root canals were selected. Samples were collect before (s1) and after chemomechanical preparation (s2). Teeth were randomly divided into groups: GI, 2.5% NaOCl (n = 27) and GII, CHX gel (n = 27). Limulus amebocyte lysate assay was used to quantify endotoxins.
RESULTS: Endotoxin was present in 100% of the samples investigated, with a median value of 272 endotoxin units (EU)/mL (GI) and of 152.46 EU/mL (GII). As a result of chemomechanical preparation, LPS content was reduced to a median value of 86 EU/mL (GI) and 85 EU/mL (GII). Higher percentage value of endotoxin reduction was found in GI (P < .05).
CONCLUSIONS: The 2.5% NaOCl and 2% CHX gel were not effective in eliminating endotoxin from the primarily infected root canals.
METHODS: Fifty-four root canals were selected. Samples were collect before (s1) and after chemomechanical preparation (s2). Teeth were randomly divided into groups: GI, 2.5% NaOCl (n = 27) and GII, CHX gel (n = 27). Limulus amebocyte lysate assay was used to quantify endotoxins.
RESULTS: Endotoxin was present in 100% of the samples investigated, with a median value of 272 endotoxin units (EU)/mL (GI) and of 152.46 EU/mL (GII). As a result of chemomechanical preparation, LPS content was reduced to a median value of 86 EU/mL (GI) and 85 EU/mL (GII). Higher percentage value of endotoxin reduction was found in GI (P < .05).
CONCLUSIONS: The 2.5% NaOCl and 2% CHX gel were not effective in eliminating endotoxin from the primarily infected root canals.