Sometimes, the effects of sexism and implicit gender bias are difficult to show. However, in the case of women's health care, there's very little ambiguity. Women should be aware of what these problems look like, so that they can identify doctors who similarly understand them and can fairly diagnose and treat them.
People in the Middle Ages considered healthy, white teeth a sign of beauty and wrote of sweet smelling breath as a desirable attribute. So, not surprisingly, we have extensive evidence that people liked to keep their teeth clean and a large amount of evidence of tooth pastes, powders and treatments, as well as mouth washes and treatments for halitosis.