Your teeth being outward could be due to various reasons. You need to go to a dentist and get yourself examined thoroughly so as to get a treatment plan that suits your case. There are various options apart from the conventional braces to get your teeth aligned. In case you have time constraints and still want to get the alignment perfect, smile designing is also an option.
Next Steps
Visit a dentist who can examine you and give you a customized treatment plan specifically designed for your needs