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Dental schooling to become an oral surgeon will take an additional four years, during which time dental students complete coursework and treat patients in a supervised setting; to become licensed as an oral surgeon, most states require passing a written and practical examination.
Undergraduate Preparation. Before you can become an oral surgeon, you must first attend dental school. Dental school applicants usually have a bachelor's degree, although specific requirements vary by school. As an undergrad, you can improve your chances of admission to dental school by majoring in a science discipline.