I had this idea too. But then I realised I still am capable of speaking to some extent, so I speak selectively. A quiet, calm person I have become, and speak only with kind people or when necessary. So my social circle right now is inevitably small but I know those stayed I am most comfortable with. Also I would suggest making friends who have this disability alike such as the legit deaf or mute, they are closer to us to the able-speaking community than you think. You'll find your true friends there. They'll know your scar as they trailed it themselves.