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Home > Archive > Dentistry > June 2005 > What is overcorrection in orthodontics?
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What is overcorrection in orthodontics?
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| Hello dentists,
As both a future dental student and a current patient of Invisalign,
I'm curious about something. My dentist let me spend a lot of time
looking at the 3D model of my teeth moving (the "clincheck") and I
noticed something strange. In the final three steps, it seems like my
bite gets corrected too far -- my protruding upper incisors get pulled
in just a bit farther than I expected, and my rotated lower canines get
rotated farther than it seems like they should. The software calls
these last three stages "overcorrection" and that seems to sum up what
I saw.
But what exactly is overcorrection and what is the purpose? While I
want my teeth right, I don't want my upper incisors pulled back in too
far so they look like reverse-bucked or something. Am I correct in
guessing the idea is that you move the teeth farther than you want
them, and then they start to go back a little bit and end up in the
correct place?
Jeff
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| Steven Bornfeld 2005-06-27, 9:25 am |
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Jeff wrote:
> Hello dentists,
>
> As both a future dental student and a current patient of Invisalign,
> I'm curious about something. My dentist let me spend a lot of time
> looking at the 3D model of my teeth moving (the "clincheck") and I
> noticed something strange. In the final three steps, it seems like my
> bite gets corrected too far -- my protruding upper incisors get pulled
> in just a bit farther than I expected, and my rotated lower canines get
> rotated farther than it seems like they should. The software calls
> these last three stages "overcorrection" and that seems to sum up what
> I saw.
>
> But what exactly is overcorrection and what is the purpose? While I
> want my teeth right, I don't want my upper incisors pulled back in too
> far so they look like reverse-bucked or something. Am I correct in
> guessing the idea is that you move the teeth farther than you want
> them, and then they start to go back a little bit and end up in the
> correct place?
>
> Jeff
After correction of most types of orthodontic conditions there is a
tendency for some relapse. Overcorrection is designed to accomodate for
this, esp. once retention is ended.
Steve
>
--
Cut the nonsense to reply
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