%0 Journal Article %A Çanakçı, Burhan Can %A Er, Özgür %T The effect of ultrasonic activation of calcium hydroxide on periapical pH in the presence separated instruments %D 2020 %J Yeditepe J Dent %P 244-249 %V 16 %N 3 %R 10.5505/yeditepe.2020.55822 %U https://dx.doi.org/10.5505/yeditepe.2020.55822