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  2. Human tooth development - Wikipedia

    en.wikipedia.org/wiki/Human_tooth_development

    Teeth affected by regional odontodysplasia nevAmelogenesis imperfecta is an autosomal dominant disease characterized by a defect in dental enamel formation. Teeth are often free of enamel, small, misshapen, and tinted brown. The cause of these deformities is due to a mutation in enamel in expression.

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

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

    “The number of teeth varied through the mutation of just one gene,” he said. “If we make that the target of our research, there should be a way to change the number of teeth (people have).”

  4. Hyperdontia - Wikipedia

    en.wikipedia.org/wiki/Hyperdontia

    Hyperdontia is the condition of having supernumerary teeth, or teeth that appear in addition to the regular number of teeth (32 in the average adult). They can appear in any area of the dental arch and can affect any dental organ .

  5. 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 ...

  6. Humans Have a Third Set of Teeth. New Medicine May Help ... - AOL

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

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  7. Tooth mobility - Wikipedia

    en.wikipedia.org/wiki/Tooth_mobility

    In order to treat mobility, teeth can be joined or splinted together in order to distribute biting forces between several teeth rather than the individual mobile tooth. A splint differs from a mouthguard as a mouth guard covers both gums and teeth to prevent injury and absorb shock from falls or blows.

  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. 13 Things That Are Worth Paying a Little Extra For - AOL

    www.aol.com/13-things-worth-paying-little...

    1. Shoes. Not only will a good pair last longer and look nicer, quality shoes properly support and protect your feet. They’re comfortable, fit well, don’t leave you with soggy socks when it ...