The risks of getting metal brace are relatively minor. However, some potential risks include: Gingivitis can be a common dental issue. Cavities, on the other hand, are caused by tooth decay. When wires or brackets become loose or break, it’s essential to see your orthodontist. The irritation of the gums or lips can be a side effect of dental work. Stains on the teeth are often a result of consuming certain foods and beverages