X-Ray Safety

  • X-Ray equipments produce ionising radiation.

  • These can be harmful to both Patients and Doctors, if proper precautions are not followed.

  • X-Rays are an important diagnostic tool, when it's used in a proper way.

Regulating Authority

In India, the Atomic Energy Regulatory Board (AERB) (www.aerb.gov.in) is responsible for the regulation and proper usage of X-Rays. AERB approves X-Ray machines from radiation safety point of view. Some of the key checks done by AERB includes:


  • Ensuring manufacturer has the proper personnel, equipment and infrastructure to manufacture safe X-Ray equipment.

  • Ensuring X-Ray equipment being sold is safe from radiation point of view.

  • Monitoring the equipments are kept in good condition.

  • Make sure that correct procedures are followed.

Suggestions on proper usage

  • Buy only AERB approved or authorised equipment.

  • Ask for the radiation test certificate from the manufacturer.

  • Perform a quality check of your equipment every year.

  • Limit exposure to X-Ray - both direct or scattered.

  • Wear protective apron and other accessories.

  • Wear dose monitoring badges.

  • Register yourself with AERB.

Do you need a Lead Lined and Separate X-Ray Room ?

This depends on the type of X-Ray machine. As per AERB guidelines, for Dental Intra-Oral (IOPA), Handheld and Mobile type X-Ray, a separate Lead Lined room is not mandatory. However, it is mandatory that safety aprons and safety rules are followed when using these equipments.

Image Clarity

  • A good X-Ray equipment is one of the requirement for a clear X-Ray.

  • Equal importantance is to use a good quality film.

  • Ensure the film has not expired.

  • The film will keep in a dark cool environment which away from the X-Ray room.

  • Procedure followed for developing the film is also very important.

  • The developer, fixer and water are to be used as per instructions.

  • Replace with fresh solution at least once in two weeks.

  • Too cold or too warm solution should not be used.

  • Ensure the dark room does not have any brightness.

  • When using Digital Sensor, ensure it is properly calibrated and serviced.

  • Digital Sensors degrade over time; take note to replace worn out sensors.

  • The imaging software will have various options for image adjustments.

  • Calibrate the sensor/film with the X-Ray machine.

  • Each sensor/film works best for a particular exposure parameter.

  • Imaging techniques are very important to get the right image.

  • Position the film as close as possible to the object to be imaged.

  • Keep the sensor/film perpendicular to the X-Ray cone.

  • During exposure, the patient should remain steady to avoid blurred image.

Comparison between Dental X-Rays

Important note: The comparitive table below is relative. It assumes that all three type of X-Rays have passed relevant safety and performance tests. For example, the term "HIGHER" or "LOWER" does not make the equipment better or worse than the basic safety and performance requirements.


X-Ray_Compare

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