Dentin - microhardness

Microhardness of tooth enamel which is inferior in durability. It is milder as compared to that located at the bottom of the tooth root. Placed under a layer of dentin or enamel before the pulp. Dentin, which is at the root of the tooth has such indicators microhardness 100-180 kg/mm2 and podemalevy dentin - 60-80 kg/mm2. Dentists uneven indicators associated with different types of response to external stimuli.