What is OPG – Orthopantomogram?


OPG – Orthopantomogram is one amongst the dental connected x-ray that’s used for diagnostic and treatment purpose. It’s taken to view the complete mouth radiography, that shows upper and lower jaw with teeth, additionally shows temporomandibular joint.

When it’s taken?
Dentist suggests taking an OPG once it’s required.

  • It’s required to detect dental connected disease.
  • To Visualize
  1. Dental caries, abscess, wisdom teeth placement, and angulation, before the removal of teeth.
  2. Remaining teeth, therefore view impacted teeth.
  3. Any abnormality present, to visualize the anatomy of the teeth, therefore see the development of forthcoming permanent teeth in children.
  4. Tumors in jaw,
  5. Fracture.
  • It is additionally taken for planning the orthodontic treatment.

How is it taken?
It is taken with specific X-ray machine. Before you get ready to take your OPG, you need to get rid of any jewelry, any metal objects and eyeglasses that you simply wear. These objects interfere with OPG show, they’ll cause unwanted pictures on the OPG film, therefore, it’ll hamper the interpretation and correct read of the OPG. Then you may be asked to put your head against the machine and height are adjusted to your comfort where you may be asked to put chin on rest. Then you’re asked to put a guiding tip between your upper and lower front teeth. You’re asked to stand still whereas the machine rotates around you to record the image. Any movements whereas the radiograph is taken can cause blur or alternative defects, therefore, stand still to avoid retakes.

How long will it take to record it?
It isn’t a time-consuming procedure. Maximum 10-15 minutes are taking considering the time is taken to adjust the patient and to create an entry in computer and get the machine prepared.

How to interpret it?
The radiologist and dentist do OPG interpretation. Based on the OPG, radiologist or dentist will view the upper and lower jaw together with all the teeth and surrounding structures.

Is there any risk from radiation to the patient?
Affirmative, radiation exposure is there, however, it’s minimal because of advanced technology and machinery.

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Dr Lifesaving
By Dr Lifesaving