Disclosing solution was painted on the teeth of a teenager; red areas identify the location of the dental plaque. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Ted Croll |
Taille de l’image : | 4117 px × 2744 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |