Use safety – You can use both an external condom or an internal condom which is inserted into the anus before sex, simply as it would be used within the vagina. You should also put condoms on any sex toys you’re utilizing, making sure you modify them between companions. Dental dams are an excellent type of safety for rimming. Because so few people apply oral-penile sex to the exclusion of different sexual practices, it is rather tough to recruit and retain subjects for epidemiologic studies of the HIV risk associated with this follow. Only one study was in a position to do that ; another examined monogamous serodiscordant couples whose solely unprotected sexual activity was oral sex.