Deinzer, Renate, Eidenhardt, Zdenka, Sohrabi, Keywan, Stenger, Manuel, Kraft, Dominik, Sick, Bernhard, Götz-Hahn, Franz, Bottenbruch, Carlotta, Berneburg, Nils and Weik, Ulrike. "It is the habit not the handle that affects tooth brushing. Results of a randomised counterbalanced cross over study." Research Square (2023): .