4. Dental hygienist: Dental hygienists are required to assist dentists in diagnostic and therapeutic aspects of a group or private dental practice. The dental hygienist profession was ranked tenth last year; however this year this profession has managed to take the fourth position in the list as hiring outlook of this job seems to be quite strong this year. The average salaries of professional working in this field are $68,109 per annum.  The overall score gained by dental hygienist profession is 289.00.