牙疼和关节痛怎么治疗？

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我母亲快50岁了，她现在关节痛和牙疼，
有时候牙疼得睡不着觉，我们那里说的是虫牙。虫子在牙齿里面吃了个洞，把里面吃空了。
还有就是她的手在做了农活回来后，有些时候关节部分特别是手部的关节就会痛，请问治疗关节疼和牙疼的药，哪种药比较有有效。
谢谢各位这方面的医生给予帮助。