鲁迅在一篇名为《忽然想到》的杂文中写道:“牙痛在中国不知发端于何人?相传古人壮健,尧舜时代盖未必有;现在假定为起于二千年前罢。我幼时曾经牙痛,历试诸方,只有用细辛者稍有效,但也不过麻痹片刻,不是对症药。至于拔牙的所谓‘离骨散',乃是理想之谈,实际上并没有。西法的牙医一到,这才根本解决了;但在中国人手里一再传,又每每只学得镶补而忘了去腐杀菌,仍复渐渐地靠不住起来。牙痛了二千年,敷敷衍衍的不想一个好方法,别人想出来了,却又不肯好好地学……” Lu Xun wrote in an essay titled “Suddenly Remembered”: “Toothache does not originate in China. According to legend, the ancients were strong, and the Yao-Shun era did not have to be covered. Now it is assumed to have started from two thousand years ago. When I was young Once the toothache, calendar test all parties, only with Asarum slightly effective, but also a moment of paralysis, not symptomatic drugs .As for the so-called extraction of bone from the bone, is the ideal talk, in fact, no. Once arrived, this is basically solved; but repeated in the hands of Chinese people, they often learn to complement and forget to go rotting bacteria, and gradually gradually reluctantly. Toothache for two thousand years, do not want to apply a perfunctory Good way, others came up, but refused to learn well ... ... ”