Orthodontists need to pay for a lot of expensive equipment and to pay their people and the landlord. The Orthodontists need to pay for all of their materials and the operation of their sterilizers. Then there is the cost of insurance. Most of an orthodontist's fee goes to paying his fixed cost such as equipment, the braces themselves, and staff. Occasionally an orthodontist will consider lowering his fees or offer free service for patients who truly cannot afford to pay at the doctor’s discretion.