FROM THE HIV SPECIALIST HERE AT MEDHELP:
"Kissing is no risk, even deep ("French") kissing and even with a person who sores on their mouth or has gum or dental disease." DR HOOK
"Of course no risk. HIV is not transmitted by kissing, even with sores in the mouth.
Despite the billions of kissing events in the AIDS era, not one case of HIV has been known to be transmitted that way, even though millions of those kisses undoubtedly were with cuts in the mouth or on the lips."
DR HANDSFIELD
Saliva contains over a dozen different enzymes and proteins that inhibits HIV transmission.
HIV is unable to reproduce outside its living host (unlike many bacteria or fungi, which may do so under suitable conditions), except under laboratory conditions; therefore, it does not spread or maintain infectiousness outside its host.
HIV is transmitted by;
Unprotected penetrative anal and/or vaginal sex
Sharing works with other IV drug users
Mother to child
You never had an exposure by kissing and you don't need testing.