A．急性龋，慢性龋，静止龋 B． 咬合面龋、平滑面龋C．根面龋、线性釉质龋 D． 窝沟龋、邻面龋龋病是牙硬组织……

单项选择题下颌横断合片主要用于

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