1 year old - chewed on it.... does that mean it looked like slimer in ghostbusters had gobbed on it?
your best bet is to remove the sim and the battery ... put it somewhere warm for 24 hours - and then see if it works
don't be tempted to just try it
a one year old's gob ... especially teething gob is one of he most corosive liquids known - add an electrical current and it could start another civilisation