Annually. On an annual basis the median Oral Surgeon's salary is over $220,000. The lowest 10% earn less than $100,000 per year while the upper 10% earn more than $300,000 per year. These salaries are calculated as a mean or average.he lowest paid Oral Maxillofacial Surgeon's earn less than $100,000 annually while the highest paid Oral Maxillofacial Surgeon's earn over $400,000 per year. Top 5 States. The top paying states to earn a Oral Maxillofacial Surgeon's salary are Washington, South Dakota, Maine, Kentuckey, Kansas.