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Best X Ray View For Mandible

author
Carole Stephens
• Saturday, 07 November, 2020
• 7 min read

Position of part Remove dentures, facial jewelry, earrings, and anything from the hair. The patient should be asked to open the mouth as wide as possible with the chin resting against the cassette holder.

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Contents

Purpose and Structures Shown To evaluate the orbits, maxillae, and zygotic arches. Position of part Remove dentures, facial jewelry, earrings, and anything from the hair.

In the sitting erect position, the tip of the extended chin rests against the IR. A properly positioned radiograph of the facial bones with Waters method demonstrates equal distance between the lateral margin of the skull and the orbit on both sides.

Purpose and Structures Shown An additional view to evaluate the face and ethmoid, sphenoidal, and maxillary sinuses. Position of part Remove dentures, facial jewelry, earrings, and anything from the hair.

The line from the lower bony edge of the orbit and the opening of the ear should be perpendicular to the cassette holder. A properly positioned radiograph shows equal distance between the lateral skull margin and the median sagittal plane on either side as well as symmetric Petrus ridges.

Purpose and Structures Shown An additional view to evaluate the sinuses, face, and nasal bones. For patients who cannot sit, the skull lateral supine with horizontal beam should be obtained.

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Position of part Remove dentures, facial jewelry, earrings, and anything from the hair. Position of part Remove dentures, facial jewelry, earrings, and anything from the hair.

The neck is flexed such that the infraorbitomeatal line is parallel to the transverse axis of the IR. In a properly positioned radiograph, the mastoid and Petrus regions are visualized in the center of the film.

The mastoid air cells are posterior and the TMJ is anterior to the Petrus region. Due to the increasing angulation of the central ray, the mastoid and Petrus region on the opposite side do not superimpose.

Position of part Remove dentures, facial jewelry, earrings, and anything from the hair. The patient should be asked to open the mouth as wide as possible with the nose and forehead resting against the cassette holder.

The line from the outer corner of the eye to the opening of the ear should be perpendicular to the cassette holder. Position of patient Sitting erect (left or right) with the horizontal beam angled at 15 degrees.

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Position of part Remove dentures, facial jewelry, earrings, and anything from the hair. Position of part Remove dentures, facial jewelry, earrings, and anything from the hair.

A wedge of cork or soft wood may be placed between the upper and lower rows of teeth if the patient cannot keep the mouth open. The line from the lower bony edge of the orbit to the opening of the ear should be perpendicular to the examination table.

Position of patient Lying on the side (left or right) with a vertical beam angled at 15 degrees. Position of part Remove dentures, facial jewelry, earrings, and anything from the hair.

Purpose and Structures Shown To evaluate the body of the mandible and dental arch. Position of part Remove dentures, facial jewelry, earrings, and anything from the hair.

The film packet is inserted into the mouth with the long axis directed transversely and the centered to the sagittal plane. A properly positioned radiograph demonstrates the lower dental arch and floor of the mouth.

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Position of patient Prone or seated upright with the chin on the cassette holder. Position of part Remove dentures, facial jewelry, earrings, and anything from the hair.

A properly positioned radiograph demonstrates equal distance between the mandible and lateral skull border on either side. An orthopantomogram (OPG) is a good view to demonstrate most mandibular fractures.

Look at the condylar and coracoid process, RAM and body, submental symphysis, and alveolar ridge for fractures Condylar process fractures can occur at the base so look carefully as they are easily missed.

The temporomandibular joints are enlocated. Mandible and maxilla oblique radiography Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.

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It is too hard to clearly demonstrate above 3 areas in one projection. So there are 3 separate projections to demonstrate interested anatomy.

The temporomandibular joints are enlocated. The mandible can be considered as an anatomical ring of bone, stabilized at each end at the temporomandibular joints.

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