OPG is an x-ray to visualise the teeth and gums. It is used by doctors to identify dental
problems and to help decide on treatment.

There are multiple indications for this type of radiograph including yet not limited to :
1) General dental health evaluation for caries or pulp origin disease.
2) Trauma assessment for tooth or jaw fractures.
3) Infection evaluation of sinusitis, periodontitis or periapical abscesses.