California Registered Dental Assistant (RDA) Written Practice Exam

Question: 1 / 400

What type of radiograph is the most commonly exposed in orthodontics?

Panoramic

Panoramic radiographs are the most commonly exposed in orthodontics for a few reasons. First, they provide a comprehensive view of the jaws and teeth, making it easier for orthodontists to plan and monitor treatment. Additionally, panoramic radiographs are taken outside the mouth, which reduces the risk of radiation exposure to the patient. Cephalometric radiographs are more commonly used for specific measurements and analysis in orthodontic treatment, rather than as a general overview. Bitewing radiographs are typically used in general dentistry for detecting cavities and examining the supporting structures of the teeth, but are less common in orthodontic treatment. Periapical radiographs are used to examine specific teeth, rather than providing an overall view of the oral structures. Therefore, panoramic radiographs are the most suitable type for orthodontic purposes.

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Cephalometric

Bitewing

Periapical

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