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Tooth loss is normal for deciduous teeth (baby teeth), when they are replaced by a person's adult teeth. Otherwise, losing teeth is undesirable and is the result of injury or disease, such as dental avulsion, tooth decay, and gum disease. The condition of being toothless or missing one or more teeth is called edentulism. Tooth loss has been ...
Human teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting. As such, they are considered part of the human digestive system. [1] Humans have four types of teeth: incisors, canines, premolars, and molars, which each have a specific function. The incisors cut the food ...
The team says that humans have a third set of teeth available as buds, ready to grow as needed. A sliver of what makes sharks so intriguing comes with their ability to regrow teeth.
A teeth-cleaning twig (in India: datun [1]) is an oral hygiene tool made from a twig from a tree. It can help to prevent tooth decay and gum disease . History
Not only do the back molars have double the area that the molars of modern humans possess, but the premolars and the first and second molars were found to be four times larger than the teeth found in humans. [12] This has been interpreted as researchers as evidence for the hominids chewing predominantly with their back teeth. [13]
Resorption of the root of the tooth, or root resorption, is the progressive loss of dentin and cementum by the action of odontoclasts. [4] Root resorption is a normal physiological process that occurs in the exfoliation of the primary dentition.
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Nyssa aquatica's genus name (Nyssa) refers to a Greek water nymph; [5] the species epithet aquatica, meaning ‘aquatic’, refers to its swamp and wetland habitat. One of the species' common names, tupelo, is of Native American origin, coming from the Creek words ito ‘tree’ and opilwa ‘swamp’; it was in use by the mid-18th century [6]