Disclosing solution was painted on the teeth of a teenager; red areas identify the location of the dental plaque. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Ted Croll |
Bildgröße: | 4117 px × 2744 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |