Cost isnt as important as getting a quality dentist to do your work. Look for a certified dentist (not necessarily a vet) from the IAED. Highly qualified association that produces tested, tried and true real equine dentists. One of the most famous minature horse dentists is Carl Metz from Texas. or google the IAED website. for a dentist in your area. Good luck . Dentistry is very important to your horses health...bravo to you for doing the right thing and getting their teeth taken care of.