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Impacted wisdom teeth may suffer from tooth decay if oral hygiene becomes more difficult. Wisdom teeth which are partially erupted through the gum may also cause inflammation [3] and infection in the surrounding gum tissues, termed pericoronitis. More conservative treatments, such as operculectomies, may be appropriate for some cases.
Wisdom teeth are vestigial third molars that human ancestors used to help in grinding down plant tissue. The common postulation is that their skulls had larger jaws with more teeth, which were possibly used to help chew down foliage to compensate for a lack of ability to efficiently digest the cellulose that makes up a plant cell wall.
Vestigial structures are often called vestigial organs, ... wisdom teeth, the appendix, the tail bone, body hair, and the semilunar fold in the corner of the eye.
In humans, the molar teeth have either four or five cusps. Adult humans have 12 molars, in four groups of three at the back of the mouth. The third, rearmost molar in each group is called a wisdom tooth. It is the last tooth to appear, breaking through the front of the gum at about the age of 20, although this varies among individuals and ...
If wisdom teeth are more vestigial in societies whose diet has changed as a result of agriculture, then their vestigiality is largely dependent on the society in which the diet exists. In addition, peoples living in societies where diet is non-agricultural have no issues with their wisdom teeth. They come in with no problem at all.
Many organisms have vestigial organs, which are the remnants of fully functional structures in their ancestors. ... wisdom teeth in humans; the loss of pigment and ...
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Such is the case in whales, which have small vestigial bones that appear to be remnants of the leg bones of their ancestors which walked on land. [53] Humans also have vestigial structures, including the ear muscles, the wisdom teeth, the appendix, the tail bone, body hair (including goose bumps), and the semilunar fold in the corner of the eye ...