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Cross section of a premolar showing the pulp and dentin (40X)

Microimage
Image copyright: Mathias Nordvi, ARR.

This is a microradiogram showing a cross section of a premolar. The image focuses on the circumpulpal dentine. There is also a longitudinal section of two premolars.

Do remember that this is a negative image meaning that light areas in an x-ray are highly mineralized and vice versa.

The pulp is centered in the image (lat: pulpa). The deintine circumvents the pulp. The denine diplays primarily a light sone closes to the pulp, tehna a darker xone, then the main body of the denine.

Interglobular dentine can be seen in anotherr cross section of a premolar.