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单项选择题Which of the following imaging techniques does not use X rays

单项选择题Which of the following is considered to be an extraoral technique

单项选择题Which one of the following may appear on a periapical radiograph of the upper third molar area

单项选择题Interproximal (bitewing) radiographs are most sensitive in detecting caries on which tooth surface

单项选择题In which of the following techniques may a patient be asked to hold the film packet during exposure