A CBCT scan is necessary for diagnosis and treatment planning to ensure an optimal outcome of orthodontic treatment. While traditional radiographs only provide a two-dimensional view, a CBCT scan provides a three-dimensional view. This allows visualization of the teeth's position within the maxilla and mandible.
CBCT scans are especially important in cases of impacted teeth, periodontal disease, severe crowding, unerupted wisdom teeth, and when appliances such as TADs and MARPEs are used. They can aid in diagnosing oral pathology, aid in observation of bone level, and can allow for visualization of root position.
Some patients may be curious about radiation dose from a full-head CBCT scan. A full-head CBCT is 2 microSieverts of radiation. For comparison purposes, the normal yearly background radiation received by one person is 4 microSieverts.
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