MODEL RELEASED. Plaque removal. Dental patient having dental plaque removed from his teeth by a high-pressure water jet (centre left). The suction device (upper centre) removes this water from his mouth. If allowed to build up,dental plaque,a substance formed from food particles,saliva and bacteria,can lead to inflammation of the gums,or gingivitis | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Thomas, Mark |
Taille de l’image : | 3946 px × 4190 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : | - |