Permanent tooth, if not too serious, it will tighten a little as time goes. Don't eat anything too hard at the moment and avoid using it to chew. If condition persists, should go to a dentist. Have you joined學童牙科?
Please do not quote any information posted by fungwongphie. 不誠實使用電腦會構成罪行,切勿以身試法。 何謂不誠實使用電腦??