Scatter radiation is a type of radiation that is produced when X-rays are generated and interact with matter, causing them to scatter in different directions. When a dental X-ray is taken, some of the X-ray beams can scatter and potentially reach areas outside of the targeted area, exposing the patient and dental staff to additional radiation.

Dentists and dental staff take several measures to minimize the risk of scatter radiation. These may include:

1. Using appropriate shielding: Lead aprons, thyroid collars, and other types of radiation shielding can be used to protect the patient and dental staff from radiation exposure.

2. Positioning the patient properly: Proper positioning of the patient can help ensure that the X-ray beam is targeted to the specific area of interest, reducing the amount of scatter radiation produced.

3. Using fast film or digital sensors: Using faster film or digital sensors can help reduce the amount of radiation needed to produce a clear image, reducing the amount of scatter radiation produced.

4. Limiting exposure time: Reducing the time of exposure to X-rays can reduce the amount of scatter radiation produced.

5. Maintaining a safe distance: Dental staff can maintain a safe distance from the X-ray machine to reduce their exposure to scatter radiation.

It is important to note that the amount of radiation exposure from dental X-rays is generally considered to be low and safe, and the benefits of the X-ray in diagnosing and treating dental problems typically outweigh the small risk of radiation exposure. Nonetheless, dental professionals take steps to minimize the risk of exposure to scatter radiation and ensure the safety of their patients and staff.