文章叙述了放射线检查的作用，简介了常用的治疗方法。
The role of radiological perspectives and the effective methods of treatment were …
一个牙科医生可能会检查一个痛苦的牙齿和牙龈，用X射线设备。
A dentist may examine a painful tooth and gum using X-ray equipment.
一个牙科医生可能会检查一个痛苦的牙齿和牙龈，用X射线设备。
A dentist may examine a painful tooth and gum using X-ray equipment.
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