If poor orthodontia causes so many health problems, why didn t evolution/natural selection eliminate orthodontic problems?
It is true that poor alignment of the teeth and jaws can contribute to larger health problems. Based on archaeological evidence, we know that lack of space for ideal alignment of the teeth was less of a problem for early man than current humans. The coarseness of the foods eaten by primitive humans (raw and natural foods) led to much greater wear of the teeth both on the biting surface and in between. The resulting decreased tooth mass led to almost no crowding. In this case, natural selection has not kept pace with environmental changes as our diet of processed foods and lack of tooth wear has contributed to more prevalent crowding in today’s society. Further systemic problems related to poor orthodontic health are rarely life threatening therefore minimizing the impact of natural selection. 2. What is interceptive orthodontic treatment and is it necessary? Interceptive treatment is usually limited treatment undertaken to correct problems which left unattended would compromise the res
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