According to Bureau of Labor Statistics, a 31% increase in Certified Dental Office Assistant (CDOA) jobs is expected by the year 2020, increasing from 297,200 to 916,000 positions. Earning and maintaining and National Certification allows you to stay stand out as a professional Dental Office Assistant. Dental Office Administrative Assistants will earn around $26,000 per year. There is also a possibility of advancement, and Assistants can move on to become the Administrators in a dental office. The median annual wage of Dental Assistants was $34,500 in May 2012. The median wage is the wage at which half the workers in an occupation earned more than that amount and half earned less. The lowest 10 percent earned less than $23,550, and the top 10 percent earned more than $47,580. www.bls.gov