I accidentally got my iPhone 3G wet and now the power button doesn't work, how to fix?

As the question name says, I got my phone wet but not completely wet. The home button works and so does the screen. However, the power button isn't reacting and the volume buttons aren't very responsive. I can still shut down my phone by using the Assistive Touch features. The downside to that is that I can only turn on my phone by plugging in my charger which is not something I can always do. Can anyone help me with this?

EBay sell spares and repairs

Buy a can of compressed air and blow that thing out big time. Also buy a pack of desiccant and place it in a plastic bag with the phone to absorb the moisture that's in there.

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