Malocclusion can cause patients not only aesthetic problem, but also the development of various diseases of the gums and oral cavity. For its treatment orthodontists in Iowa use metal braces. Treatment with such type of braces is the cheapest comparing with other types. They are firmly attached to the tooth surface. With the help of this system reduces maximum term of bite correction. At the same time treatment with metal brackets is comfortable for the patient. Metal braces are very effective and can be used even for children from 11 years. Despite the fact that every year manufacturers of bracket systems produce variety of its models, conventional metal braces do not lose their popularity.