Our Fort Collins Dentists Dr. Jon Anderson, Dr. John Siegmund, and Dr. Joseph Tomlinson, all believe in devoting time to build long lasting relationships with their dental patients. We believe in ongoing, preventive care visits, because this gives us the ability to get to know you better and handle many issues early. This also gives us clues to your overall health, and as your Fort Collins Dentist, we believe it is very important to look at all aspects of every patients well-being.