My dentist says I do not not need braces because there is no medical condition,but I have an overbite and overjet.Advice?(photo)

Should I get braces? Will it improve my smile? Do I have to look out for medical precautions bc I have an overbite??I have an overbite. My dentist says I do not need braces because my overbite will not lead to medical issues. But it's weird. I don't know if he is correct.bcause I also have an overjet too. And I think braces would make my smile better. I am not confident in my smile. My mom tells me I have a beautiful smile. I just don't know what to do. I'm scare if I get braces I'll look worse.

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