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  2. Human tooth development - Wikipedia

    en.wikipedia.org/wiki/Human_tooth_development

    Histologic slide showing a tooth bud. A: enamel organ B: dental papilla C: dental follicle. The tooth germ is an aggregation of cells that eventually forms a tooth. [2] These cells are derived from the ectoderm of the first pharyngeal arch and the ectomesenchyme of the neural crest.

  3. Hypodontia - Wikipedia

    en.wikipedia.org/wiki/Hypodontia

    The tooth at the end of each region was less genetically stable and hence more prone to absence. In contrast, the tooth most mesial in each region seemed to be more genetically stable. [9] A subsequent theory hypothesised the teeth at the end of each region were possibly "vestigial bodies" that became obsolete during the evolutionary process.

  4. Dental anatomy - Wikipedia

    en.wikipedia.org/wiki/Dental_anatomy

    Usually, there are 20 primary ("baby") teeth and 32 permanent teeth, the last four being third molars or "wisdom teeth", each of which may or may not grow in. Among primary teeth, 10 usually are found in the maxilla (upper jaw) and the other 10 in the mandible (lower jaw). Among permanent teeth, 16 are found in the maxilla and the other 16 in ...

  5. Human tooth - Wikipedia

    en.wikipedia.org/wiki/Human_tooth

    Teeth are classified as incisors, canines, premolars (also called bicuspids), and molars. Incisors are primarily used for cutting, canines are for tearing, and molars serve for grinding. Most teeth have identifiable features that distinguish them from others. There are several different notation systems to refer to a specific tooth.

  6. Doctors say that keeping your kid's baby teeth could save ...

    www.aol.com/news/2017-03-28-doctors-advice-kids...

    According to a recent study, baby teeth contain an abundance of stem cells, a very special type of cell that can potentially grow replacement tissue in the body and cure a number of diseases.

  7. Hyperdontia - Wikipedia

    en.wikipedia.org/wiki/Hyperdontia

    In some individuals, the additional teeth can erupt far from the dental arch, within the maxillary sinus. The extra teeth may also migrate to a different location after development. [1] In some cases, supernumerary teeth can lead to the formation of cysts. Crowding is also frequently seen in people with hyperdontia. [2]

  8. How did French aristocrat keep from losing her teeth? Secret ...

    www.aol.com/did-french-aristocrat-keep-losing...

    Researchers used digital imaging to learn more about the aristocrat’s golden smile.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!