Coloured X-ray showing filling in a tooth
Numéro d’image : 12069436
| Dental filling. Coloured dental X-ray showing a small filling (white) in a front tooth. Tooth- coloured plastic material,porcelain or acrylic are often used for front tooth fillings. Amalgam,a powdered alloy consisting of silver,tin,copper and zinc mixed with mercury,is usually used for back teeth fillings. Dental fillings are necessary when a tooth has become chipped or decayed due to dental caries. Dental caries is caused by a build-up of plaque,a mixture of saliva,bacteria and carbohydrate on the tooth surface. Acid produced during the break-down of carbohydrates by the bacteria etches into the enamel and deeper if not treated | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Camazine, Scott |
| Taille de l’image : | 3520 px × 5071 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : |
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