Electric toothbrush heads. Electric toothbrushes have a motor which vibrates the brush head,helping to clean teeth thoroughly. Brushing teeth removes accumulated food and bacterial plaque,helping to prevent tooth decay and gum disease | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Hart-Davis, Adam |
Bildgröße: | 4368 px × 2780 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |