Undergoing treatment for cancer is an extremely difficult process for a person, one that comes with a great deal of impact of on the body. The mouth is no exception. In fact, cancer care affects dental health more than you’d expect – treatments like chemotherapy can weaken the immune system, making your mouth susceptible to infection. Radiation sometimes damages salivary glands, which can lead to dry mouth and even higher instances of tooth decay. But there are ways to make these issues less painful, and sometimes prevent them completely.