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  2. Human tooth development - Wikipedia

    en.wikipedia.org/wiki/Human_tooth_development

    The primary teeth typically erupt in the following order: (1) central incisor, (2) lateral incisor, (3) first molar, (4) canine, and (5) second molar. [45] As a general rule, four teeth erupt for every six months of life, mandibular teeth erupt before maxillary teeth, and teeth erupt sooner in females than males. [46]

  3. Hyperdontia - Wikipedia

    en.wikipedia.org/wiki/Hyperdontia

    Supernumerary teeth coming out from the gum or in the mouth: Complications: Supernumerary teeth growing into the gum: Types: 5 [citation needed] Causes: Gardner's syndrome. Ehlers-Danlos syndrome. Cleft palate. Cleidocranial dysplasia. Genetic disorder: Risk factors: supernumerary teeth causing problems in the dental arch: Differential ...

  4. Tooth eruption - Wikipedia

    en.wikipedia.org/wiki/Tooth_eruption

    Non-eruption of non-ankylosed teeth occurs due to an eruption mechanism that has failed leading to a posterior unilateral/bilateral open bite. [28] Infra occlusion is the primary hallmark of PFE. Primary teeth are most commonly affected and normally all teeth distal to the most mesially affected tooth will show characteristics of this disease.

  5. Humans Have A Third Set of Teeth—And New Medicine May Help ...

    www.aol.com/humans-third-set-teeth-medicine...

    By targeting the USAG-1 gene, researchers believe that they can help people without a full set of teeth regrow teeth. The team says that humans have a third set of teeth available as buds, ready ...

  6. Human tooth - Wikipedia

    en.wikipedia.org/wiki/Human_tooth

    Microdontia is a condition where teeth are smaller than the usual size. Macrodontia is where teeth are larger than the usual size. Microdontia of a single tooth is more likely to occur in a maxillary lateral incisor. The second most likely tooth to have microdontia are third molars.

  7. Animal tooth development - Wikipedia

    en.wikipedia.org/wiki/Animal_tooth_development

    The variations usually lie in the morphology, number, development timeline, and types of teeth. [8] However, some mammals' teeth do develop differently than humans'. In mice, WNT signals are required for the initiation of tooth development. [9] [10] Rodents' teeth continually grow, forcing them to wear down their teeth by gnawing on various ...

  8. Polyphyodont - Wikipedia

    en.wikipedia.org/wiki/Polyphyodont

    New, permanent teeth grow in the jaws, usually under or just behind the old tooth, from stem cells in the dental lamina. [5] Young animals typically have a full set of teeth when they hatch; there is no tooth change in the egg. Within days, tooth replacement begins, usually in the back of the jaw continuing forward like a wave.

  9. Teething - Wikipedia

    en.wikipedia.org/wiki/Teething

    Teething is the process by which an infant's first teeth (the deciduous teeth, often called "baby teeth" or "milk teeth") appear by emerging through the gums, typically arriving in pairs. The mandibular central incisors are the first primary teeth to erupt, usually between 6 and 10 months of age and usually causes discomfort and pain to the infant.