Close-up of an extracted lower premolar showing a cavity (caries) and the build up of tartar around the gum line. Tartar (calculus) is a form of hardened dental plaque that builds up on and between teeth. It is caused by the precipitation of minerals from saliva. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Taranyan, Dr. Armen |
Bildgröße: | 5199 px × 3461 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |