Radiography chapter
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X-ray Units

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Veterinary X-ray Unit

   

Veterinary machines have a limited capability to take dental radiographs, due to the restricted movement of the X-ray head. They are often not conveniently located in the practice for essential intra-operative radiographs.


A general guide to exposure factors is 100mA for 0.1 seconds at a kV of between 45 and 90, depending on the size of animal. The film focal distance should be around 15cm.

 

Wall mounted dental x-ray unit
Wall mounted dental x-ray unit

Dental X-ray Unit

This is the machine of choice and can be wall or castor mounted. They are very simple to operate as they have a fixed kV and mA leaving only the time of exposure to be selected. Also, the head is easy to manipulate. These units can often be bought cheaply second hand.

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