MEDICINE
RADIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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For images of the TMJ
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When the patient has trismus
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When floor of the mouth sialoliths are present
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For displaying large segments of the mandibular arch
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When there is buccal-lingual expansion of the mandible
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Detailed explanation-1: -Periapical/occlusal radiographs are indicated for identifying or confirming pathology, evaluating dental development, dento-alveolar trauma, deep carious lesions, periapical pathology, and oral involvement of systemic disease.
Detailed explanation-2: -The mandibular occlusal projection is taken when images of the floor of the mouth [sialoliths], mandibular tori, position of supernumary, roots or impacted teeth, fractures, foreign body, are required to be viewed.
Detailed explanation-3: -Occlusal radiography is defined as those intraoral radiographic techniques taken using a dental X-ray set where the image receptor (film packet or digital phosphor plate – 5.7 × 7.6 cm) is placed in the occlusal plane.
Detailed explanation-4: -Occlusal and/or periapical radiographs can be used to detect the position of an unerupted or supernumerary tooth.