OPG, Orthopentomogram also known as Panoramic Radiography or
Rotational Radiography. It produces a single image of the facial structures
including both upper and lower jaws with their supporting structures including
all teeth in one film only. So it is commonly used in routine dental check up
to diagnose dental problems like dental caries, pyorrhea and wisdom teeth.
Advantages
:
♦ It cover broad anatomic region
in one file only
♦ It has low radiation dose.
♦ It is convenient, easy and fast.
The entire procedure takes 14 seconds exposure time.
♦ Procedure can be performed on
patients who cannot open their mouth, specially restricted mouth opening and
traumatic patient.
♦ Easy for edentulous patients,
and patient who do not tolerate, feeling gagging
with intraoral film, OPG is best alternate option. OPG is very
convenient for patient.
♦ No overlapping of facial bones.
Indications
:
♦ To plan orthodontic treatment.
♦ To plan full mouth rehabilitation.
♦ Evaluation of tooth development
especially mixed dentition analysis.
♦ Evaluation of developmental
anomlies like cleft palate.
♦ Minimal fluid in maxillary
sinus can be caught in his X-ray.
♦ Temporo mandibular joint
pathology, dislocation or fractures can be clearly visualized without overlap.
♦ Styloid process visualization
is very easily achieved.
♦ Multiple dental/oral problems
caused by tobacco/Pan masala chewing in elders & Dental Caries in children
are caught by a single X-ray.
♦ Gross localization of Nasal
Cavity/Ethomodial sinus/Maxillary sinus tumors & other pathology can be
done at a very low price compared to the CT/MRI.
OPG is
very useful for following faculties:
♦ Dental
♦ Fascio Maxillary Surgery
♦ Plastic Surgery
♦ Cancer Surgery
♦ Orthopaedic Surgery
♦ ENT Surgery
♦ Nursing Home Dealing in Trauma.
