Maxillary Standard Occlusal Radiograph

Write short note on maxillary Topographic Occlusal Radiograph.
Answer.

Maxillary topographic occlusal radiograph is used to examine the palate and anterior teeth of the maxilla.

Maxillary topographic occlusal view is divided into two types i.e. anterior and posterior or lateral.

Maxillary occlusal radiograph

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Maxillary Topographic View—Anterior

Here, the patient should be positioned upright with the maxillary arch parallel to the floor, so that sagittal plane is perpendicular to the floor and the occlusal plane is horizontal.
Place a size – 4 film with the white part facing the maxilla and the long edge over side to side direction.
Film should be inserted in the patient’s mouth, place the film as far posteriorly as the patient’s anatomy permits and till it contact the anterior border of the ramus of the mandible.
Patient should be asked to bite down gently on film, retaining the position of film in end to end bite. standard occlusal radiograph

Occlusal radiography in dentistry

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Position indicating device (PID) is positioned so that the central ray is directed via the midline of arch towards the centre of film at vertical angulation of +65° and horizontal angle of 0° towards midline of the film. Top edge of position indicating device is placed between the eyebrows on bridge of the nose. In general, central ray enters the face of patient via bridge of nose.

Maxillary Topographic View—Posterior or Lateral

Here, patient should be positioned upright with maxillary arch parallel to the floor, so that sagittal plane is perpendicular to floor and occlusal plane is horizontal.
Place a size—4 film with white part facing the maxilla and long edge over front to back direction.

maxillary occlusal projection

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Film should be inserted in the patient’s mouth, place the film as far as posteriorly the patient’s anatomy permits and till it contact the anterior border of ramus of mandible.
Shift the film to the side of interest i.e. either right or left. Long edge of the film should extend approximately ¼ inch beyond the buccal surfaces of posterior teeth.
Patient should be asked to bite down gently on film, retaining the position of film in end to end bite.

Maxillary occlusal X-ray

Position indicating device is positioned in a manner so that the central ray is directed at +60° towards the centre of the film. The top edge of the position indicating device should be placed above the corner of the eyebrow.

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