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  2. Hyperdontia - Wikipedia

    en.wikipedia.org/wiki/Hyperdontia

    Supernumerary teeth, Mesiodens: Intraoral photograph showing conical mesiodens: Specialty: Dentistry: Symptoms: 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 ...

  3. Teratoma - Wikipedia

    en.wikipedia.org/wiki/Teratoma

    A mature teratoma is a grade 0 teratoma. They are highly variable in form and histology, and may be solid, cystic, or a combination of the two. A mature teratoma often contains several different types of tissue such as skin, muscle, and bone. Skin may surround a cyst and grow abundant hair (see: § Dermoid cyst). Mature teratomas generally are ...

  4. Macrodontia (tooth) - Wikipedia

    en.wikipedia.org/wiki/Macrodontia_(tooth)

    Macrodontia seen in permanent teeth is thought to affect around 0.03 to 1.9 percent of the worldwide population. Generally, patients with macrodontia have one or two teeth in their mouth that is abnormally large; however, single tooth growth is seen in a number of cases as well.

  5. Ectodermal dysplasia - Wikipedia

    en.wikipedia.org/wiki/Ectodermal_dysplasia

    Dental anomalies are among the most recognizable features of ED, with common findings including hypodontia (missing teeth), oligodontia (absence of six or more teeth), and anodontia (complete absence of teeth). Teeth that are present often exhibit unusual shapes, such as conical or peg-like forms, particularly in the anterior regions of the mouth.

  6. Tooth ankylosis - Wikipedia

    en.wikipedia.org/wiki/Tooth_ankylosis

    In general, the non-growing subjects and growing subjects would exhibit different signs and symptoms. [4] Individuals suffering from ankylosis of deciduous teeth risk of losing these teeth due to the failure of the tooth eruption during facial growth and would lead to a series of functional and esthetic problems.

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

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

    New Medicine May Help New Teeth Grow Yagi Studio - Getty Images "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A 2021 study out of Japan showed how ...

  8. Dermoid cyst - Wikipedia

    en.wikipedia.org/wiki/Dermoid_cyst

    Dermoid cysts develop during pregnancy. They occur when skin cells and things like hair, sweat glands, oil glands or fatty tissue get trapped in the skin as a baby grows in the womb. Dermoid cysts are present at birth (congenital) and are common. It can be months or years before a dermoid cyst is noticed on a child because the cysts grow slowly.

  9. Odontoonychodermal dysplasia - Wikipedia

    en.wikipedia.org/wiki/Odontoonychodermal_dysplasia

    Individuals with this condition typically have the following symptoms: complete absence of both the deciduous and permanent teeth, cone-shaped canines and incisors, generalized dysplasia of the nails, palmoplantar hyperkeratosis, chronic skin dryness, and variable degrees of both hypotrichosis and either hyperhidrosis or hypohidrosis. [1] [2]