楔状缺损最常见的牙位是() ["第一磨牙","侧切牙","第二前磨牙","第一前磨牙","尖牙"]
患者,女性,50岁。近期精神抑郁,烦躁易怒,时常嗳气叹息;月经停闭,胸胁及乳房胀痛,少腹胀痛拒按;舌紫黯有瘀点,脉沉弦。诊断为闭经。其治疗首选方是() ["桃红四物汤","加减一阴煎","血府逐瘀汤","少腹逐瘀汤","膈下逐瘀汤"]
“七情”用药的原则是什么?
治疗夜盲症,应选用的药物是()。 ["砂仁","苍术","豆蔻","草果","以上都不是"]
牙髓温度测试时注意事项如下,除外() ["必须注意隔湿","先测对照牙,后测患牙","对照牙必须是同颌同名牙","避免进入龋洞内测试","要放在牙面的中1\/3部位测"]
简述高变位齿轮的优缺点?