After cleaning the early-stage cavity with a method that does not require drilling, the dentist covers it with a mineral solution and applies an electrical current that is too weak for the patient to feel.
在无需进行钻孔情况下对龋早期进行清理,牙科医生利用补矿盐进行填充,之后施加微弱电流,使病患无法感知电流存在。