I cant maintain correct tongue position with teeth closed ,but when my teeth arent closed i can maintain the position easier.When i close my teeth and i mew it feels like the hyoid cant be used...
Is this caused by a narrow palate or a skeletal overbite?i have worn braces for my overbite in the past.Does this go away with a palatal expansion?
You don't need to keep your teeth in contact, also, yes, mewing is harder for me personally with teeth in contact.