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It is also known as Panoramic Radiography or Rotational Radiography. It produces a single image of the facial structures including both maxillary & mandibular arches with their supporting structures and the entire dentures. |
| Advantages : | |
| Broad anatomic region is imaged. | |
| Low radiation dose. | |
| Convenient, easy and fast. The entire procedure takes 14 seconds expsure time. | |
| Procedure can be performed on patients who cannot open their mouth. | |
| Easy for edentulous patients, patients who do not tolerate intraoral procedure well, patients with multiple tooth / Oral pathology. | |
| No overlapping of facial bones. |

| Indications : | |
| Evaluation of trauma, third molar, extensive pathology. | |
| Evaluation of tooth development especially mixed dentation analysis. | |
| Evaluation of development anomlies like cleft palate. | |
| Minimal fluid inmaxillary 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 & Chocolates in children are caught by a single X-ray. | |
| Gross localization of Nasal Cavity/Ethomodial sinus/Maxillary sinus tumors & other paathology 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. |