龋病被ＷＨＯ列为危害人类健康的三大疾病之一，而目前最有效的治疗方法仍是采用手术切割，去净龋坏组织并将洞制备成规定形状，采用人工充填材料来恢复牙齿的形态和功能。按这一原则才能使治疗后牙齿维持较长久的效果。为此我们教研室按教学大纲要求，为课间实习学生准备数种 Caries is listed by WHO as one of the three major diseases that endanger human health. At present, the most effective treatment is to use surgical incision, to clean the carious tissue and to prepare the cave into a predetermined shape, and to use artificial stuffing to restore the teeth Form and function. According to this principle can make the treatment of teeth to maintain a longer lasting effect. To this end, our teaching and research department, according to the syllabus, prepares several kinds of internship students