Dental radiology is a fundamental tool that aids the dentist in performing accurate diagnoses and treatment planning, conducting optimal treatment procedures, and in patient maintenance during treatment follow-ups. Radiographic images can reveal otherwise-hidden, internal hard-tissue structures such as bone and teeth. It is impossible to treat patients using modern dentistry techniques when dental radiography is not available. Many kinds of imaging modalities have been introduced for optimal applications, depending on the radiation dose, area of interest, field of view, and required image resolution. Not only plain X rays such as periapical views and bitewing images but also panoramic radiographs are used as basic screening tools. Dental cone-beam computed tomography (CBCT) has recently become an important technique in the dental office for definite and detailed analyses of 3D craniofacial structures such as dental implants, preoperative evaluations of bone graft surgery, impacted teeth, and orthodontic treatment. The main...

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