Page 167 - A Practical Guide to Equine Radiography

148 A PRACTICAL GUIDE TO EQUINE RADIOGRAPHY

Intraoral dorsoventral (DV) for maxillary 5. Focus–film distance: 100 cm.
VetBooks.ir incisors (Figs 14.19–14.21) 6. Orientate the X-ray beam obliquely down-

wards, directed 90 degrees to the plane that
1. Keep the mouth open with a gag that leaves
the incisive region free or use a radiolucent bisects the angle between the incisor reserve
gag. crown-root and the plate.
2. Place the plate facing upwards in the mouth 7. Centre the X-ray beam in the midline of the
between the incisors, as far caudally as head on the central incisors.
possible. 8. Collimate around the area of interest.
3. Indicate right/left with a marker. 9. Exposure guide: 50 kVp, 10 mAs.
4. Position the X-ray machine dorsal to the head.

Figure 14.19 Positioning to obtain an intraoral DV view of the premaxilla.

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