NEET MDS | INICET - Orthodontia - Molar Distalization Appliance | Explanatory Video | MERITERS 

Correct answer doctor! For more such questions download our app: mdsprep.com/app/download?i=ytc ✶ Fast Back Expansor appliance is also called the fastback molar distalizer (3 versions FB1, FB2, FB3). ✶ This was created in 2000. ✶ It is now definitely one of the most popular appliance for molar distalization in the orthodontic field. ✶ The Fast Back Expansor is based on the principle of placing constant forces on the molars by incorporating Memoria springs delivering between 200g-300g on the molar to be distalized. ✶ This spring- activated device provides bodily distalization of the upper molars, and once distalization has begun, activation should be carried out, on average, every 30-45 days. ✶ It allows for delivery of continuous forces, and the direction of the spring is determined by the arm on the expansion appliance and does not require the cooperation of the patient during treatment because it is activated by the dentist. ✶ Recent research showed that the Fast Back was as effective as the Pendulum.