After more than 20 years of being an Invisalign provider and previously delivering only traditional orthodontics I can say without reservation that Invisalign orthodontics is far superior to traditional orthodontics for a number of reasons:

  1. The forces used are physiologic which means that forces used are gentle and never exceed the limits of what the supporting structures of the teeth will accept. The forces which are used in traditional orthodontics are quessed at by the dentist when he tightens the wires on the braces and therefore often exceed these limits and the result can be damage to the supporting structures or cause loss of root structure or bone structure.

  2. In eliminating crowding the extent to which the arch of the teeth will be expanded is totally controlled and determined before treatment begins since this is a computer technology and Invisalign uses 3D models at each step of the expansion.

  3. Invisalign is far more comfortable than traditional orthodontics.

  4. Gum/ periodontal health can be maintained easily during treatment and this is extremely important during any orthodontic movement of the teeth. The wires and brackets of traditional orthodontics make it extremely difficult to maintain healthy gums and teeth.

  5. Invisalign is faster because the forces although gentle are continuous. Interestingly gentle physiologic forces move teeth much faster than either too much or too little force as gentle physiologic forces maximize the body’s remodeling of the bone as the teeth move.

     

What about the retention of the results achieved with Invisalign compared to traditional orthodontics?

After more than 20 years of observing the retention of Invisalign cases and a much longer time observing traditional orthodontic cases I would say that retention depends more upon the specifics of any individual case and how compliant the patient has been with the plan for retention than upon whether the case was done with Invisalign or traditional orthodontics. However I have observed that cases in which teeth have been extracted to created room generally are less stable particularly if the spaces that were created were slightly more than what was needed to resolve crowding. In Invisalign I personally almost never extract teeth to create room, but rather create space thru a combination of expansion and polishing between the teeth.

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