It can be treated, but children of 2 weeks may not cooperate. Because you have to wear a removable appliance. A 2-year-old child is too young after all. If it's not serious, you can go to your local orthodontist. Usually attention will be changed back. If you don't come, you can wait until the child 10. Usually pay attention to correcting children's bad habits. Like sucking your fingers and sticking out your tongue. I like to bite my upper lip with my lower teeth. And if there is tooth decay, it should be treated in time. Tooth loss will affect the development of jaws.