Dental caries and plaque. Close-up showing dental caries and plaque formation (left) destroying the lower incisors of a female patient aged 67. Dental caries is the decay and crumbling of the teeth. It is caused by the bacteria in plaque,a substance which covers the surface of unclean teeth. The bacteria break down sugar in the mouth,producing an acid which progressively destroys the teeth. A filling may be used to repair a decayed tooth,but in severe cases,root canal surgery or tooth extraction may be required | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Taranyan, Dr. Armen |
Bildgröße: | 5126 px × 3406 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |