Oral surgeons have many years of education and training, and are consequently well-paid. According to the BLS, oral and maxillofacial surgeons earned an average wage of $104.06 per hour as of 2012, and an average salary of $216,440 per year -- more than six times as much as the average dental assistant.ral surgeons have many years of education and training, and are consequently well-paid. According to the BLS, oral and maxillofacial surgeons earned an average wage of $104.06 per hour as of 2012, and an average salary of $216,440 per year -- more than six times as much as the average dental assistant.