My partner and I have been in an open relationship for a couple of years now however all our partners to date have been single. Now my partner is starting to get more integrated into the poly community and starting to talk with people who have multiple partners. While this is great it does raise concerns around what are reasonable sexual protection requirements. As a primary relationship we do not use protection and want to try and maintain this if possible. We are both agreed on condoms for penetration with others. I would also like to request condoms and dental dams for oral sex with others, either giving or receiving. Previously we discussed dental dams and my partner was against using these when giving as they consider the risk of them getting an std through this activity as low. Similarly for condoms, they consider the risk of a male contracting an STD through receiving unprotected oral sex as low, so it would be up to the giver to request the use of condoms in this scenario. They also raised that the std's that can be transmitted in these scenarios are pretty common and easily treated. It is not just the hard to treat/untreatable std's though that I am concerned about, it is also all the other 'everyday' conditions/diseases that I don't really want to be exposed to. What are other people's thoughts / expectations in this area?