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