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If poor bites causes so many health problems, why didn evolution or natural selection eliminate orthodontic problems?

April 26, 2017bites causes Eliminate Evolution Health natural poor problems selection

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If poor bites causes so many health problems, why didn evolution or natural selection eliminate orthodontic problems?

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According to Alex Duncan of the Anthropology Department at the University of Texas, “With very few exceptions, fossil hominids (cave men) had nearly perfect bites.” Malocclusion (overbites and underbites) developed mainly over the last 10,000 years. As people’s diets improved, people got bigger. The average height of an adult male increased from 4 ft (1.3M) 10,000 years ago to about 5 1/2 feet (1.9M) today. Human mouths and human teeth did not grow at the same rate. In many cases your child’s teeth will be larger than your child’s mouth. If so, your child will need orthodontic treatment.