Abstract
Case selection for cone beam computed tomography (CBCT) for dental purposes is primarily based on individual risk-benefit assessment, balancing between the long-term radiation risks of CBCT and its ultimate benefit for each individual patient. Based on the currently available literature, the expected ultimate benefit to the patient, as evaluated by the level of diagnostic efficacy of CBCT in dentistry, is yet unclear, and it is mainly limited to its technical and the diagnostic accuracy efficacies. Even for these levels of efficacy, evidence is incomplete. Therefore, the efficacy of CBCT in supporting the practitioner’s decision making, the treatment planning, and eventually in affecting treatment outcomes is not fully elucidated. On the other hand, the potential radiation risks of CBCT scan are uncertain and are stochastic in nature, thus requiring a preventive clinical approach. Consequently, cautious decision making is warranted when a CBCT scan is considered. This chapter reviews the current literature concerning the benefits of CBCT in dental practice, alongside its risks in this use, and presents a practical case-selection algorithm for the use of CBCT in dentistry.
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