Enamel hypoplasia. Polarised light micrograph of a section through the crown of a tooth. The crown is the visible part of the tooth. It consists of dentin (blue and orange) covered by a layer of enamel (yellow). Here there are holes in the enamel layer, a condition known as enamel hypoplasia. There are a number of causes of this condition including infection, trauma, toxins and malnutrition. Often the cause is not known.
Model release not required. Property release not required.