That beautiful orthodontic-created smile may not last a lifetime. According to research done at Malmö University, Sweden, our jaws shrink as we age, resulting in the very crowding we fought against in our youth.
The researchers had taken plaster molds of the jaws of their dental students back in 1949. Molds were taken of these same people in 1959 and in 1989. As time progressed, people had less room in their jaws. The difference was not great, no more than a millimeter in most cases. However, even that small difference can lead to overcrowding, particularly among the lower teeth.
Instead, the dental researchers suggest that orthodontists keep in mind the eventual shrinking of their patients’ jaws when they prescribe treatment plans.
Ah, yes, I lived this one. Three years of braces in my youth produced a lovely straight set of teeth (and fixed a moderate overbite). Now in my forties I have overlapping crowded teeth on the top and bottom. My children's orthodontist has dollar signs in his eyes every time he sees me.
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