The Securus orthoTAD company was started in 2005 by an orthodontist and an orthopedic screw manufacturer with one clear objective, to make an orthodontic anchor or TAD  that does not fail!  Over the course of the following 5 years, Jack Fisher, the orthodontist has developed a training protocol that is twofold, The surgical user is best equipped to succeed if they take his cadaver course, and utilize the training videos (links available at this site!)  Once mastered, these site specific orthoTADS can be placed in multiple locations wherby skeletal anchor forces can be applied for specific tooth movements, with the lowest failure rate.