Facial - OM 30°
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Radiographic Positioning
| Adult | Other related pages of interest |
| Name of projection | Facial Bones - Occipito Mental 30° (OM 30) |
| Area Covered | |
| Pathology shown | Fractures - especially the infraorbital rim, zygomatic arches and the walls of the maxillary antra are seen clearly |
| Radiographic Anatomy | Facial Bones Radiographic Anatomy |
| IR Size & Orientation | 24 x 30cm Portrait |
| Film / Screen Combination | Regular (CR and DR as recommended by manufacturer) |
| Bucky / Grid | Moving or Stationary Grid |
| Filter | No |
| Exposure | 80 kVp 20 mAs |
| FFD / SID | 100cm |
| Central Ray | CR angled 30° caudal |
| Collimation | Collimate closely to outer margins of the skull |
| Markers | Inferior and Lateral Marker orientation PA |
| Shielding | Gonadal (check your department's policy guidelines) |
| Respiration | Suspend |
| Positioning | |
| Critique | Positioning |
| Special Notes |