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If we assume that the warts were HPV, which it sounds that they are, if your doctor said they were 'run of the mill' (they are actually easily identifiable by observation, there are not other conditions that mimic them, especially if they were biopsied and proved to be typical under examination):
You could be contagious, or someone could contract HPV from you anally, but if you do not have warts in your mouth you would not be contagious if kissing someone.
This is true, even if the warts are no longer visible.
The safest bet is to always use a condom which will protect both partners against genital warts.
If you have further questions, please reply.
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