"Have you ever used a dental dam? Do you know anyone who’s used a dental dam? Can you even say with confidence what exactly a dental dam is and how it works? If not, you are likely among a large percentage of people who don’t use protection during oral sex. Of course, oral sex doesn’t come — wink — without risks. Syphilis, gonorrhea, HPV, and herpes can all be transmitted through oral sex. (HIV has a low-risk of transmission through vaginal oral sex.) So, what’s a person who is sexually active but wants to practice safe sex to do?"