The average and median salaries for oral surgeons in the UK is about Â£50,000 per year. An oral surgeonâs salary varies based on age such as the one in 20s earns up to Â£37,500, one in 30s earns about Â£49,000, in 40s and in 50s earns about Â£58,000.The average hourly wage for an oral surgeon in UK is about Â£25 per hour.n average salary for an oral surgeon based in Canada ranges from between 98,819 CAD â 599,522 CAD per annum while an average hourly wage ranges from between 56.46 CAD â 342 CAD per hour. A median salary for an oral surgeon averages to about 171,292 CAD per annum while a median wage is about 97.8 CAD per hour.