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Tooth loss is a process in which one or more teeth come loose and fall out. 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.
When there is a case of hypodontia of the permanent premolar teeth, the primary molar teeth would often remain in the mouth beyond the time they are meant to be lost. [76] Therefore, with a presence of healthy primary teeth in the absence of a permanent successor, retaining the primary teeth can be a feasible management of hypodontia.
Various cultures have customs relating to the loss of deciduous teeth. In English-speaking countries, the tooth fairy is a popular childhood fiction that a fairy rewards children when their baby teeth fall out. Children typically place a tooth under their pillow at night or on a bedside table.
A woman dressed as the Tooth Fairy during Halloween. The tooth fairy is a folkloric figure of early childhood in Western and Western-influenced cultures. [1] The folklore states that when children lose one of their baby teeth, they should place it underneath their pillow or on their bedside table; the Tooth Fairy will visit while they sleep, replacing the lost tooth with a small payment.
It can be identified as missing tooth structure and may manifest as pits or grooves in the crown of the affected teeth, and in extreme cases, some portions of the crown of the tooth may have no enamel, exposing the dentin. [2] It may be generalized across the dentition or localized to a few teeth. Defects are categorized by shape or location.
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At that time, the first permanent tooth erupts. This stage, during which a person has a combination of primary and permanent teeth, is known as the mixed stage. The mixed stage lasts until the last primary tooth is lost and the remaining permanent teeth erupt into the mouth. There have been many theories about the cause of tooth eruption.
Similarly in the Philippines, some Christian ethnic groups have the same allusion of a rat when they lose the teeth. However, unlike in the Hispanic countries, the rat is not named. El Ratoncito Pérez stars in the 2006 Spanish-Argentine film The Hairy Tooth Fairy and its 2008 sequel. He has also been used in Colgate marketing in Venezuela.