With this device, the discrepancies between the upper and lower jaws are diminished. This should be done during growth. After the development of the body stopped, the jaw position can no longer be corrected. There are three main types of Bionator devices:

  • The Bionator used to treat Class II malocclusion
  • The inverted Bionator used to treat prognanism
  • The open Bionator used to treat the open bite in front.
The lower jaw grows

The lower teeth move slightly forward

The upper jaw does not grow as much

The upper teeth move slightly back

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