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  2. Polyphyodont - Wikipedia

    en.wikipedia.org/wiki/Polyphyodont

    A polyphyodont is any animal whose teeth are continually replaced. In contrast, diphyodonts are characterized by having only two successive sets of teeth. [1] Polyphyodonts include most toothed fishes, many reptiles such as crocodiles and geckos, [2] [3] [4] and most other vertebrates, mammals being the main exception, though not absolute.

  3. Dentition - Wikipedia

    en.wikipedia.org/wiki/Dentition

    The dentition of animals with two successions of teeth (deciduous, permanent) is referred to as diphyodont, while the dentition of animals with only one set of teeth throughout life is monophyodont. The dentition of animals in which the teeth are continuously discarded and replaced throughout life is termed polyphyodont. [2]

  4. Scoliodon - Wikipedia

    en.wikipedia.org/wiki/Scoliodon

    It has two rows of homodont or polyphyodont teeth, which are homologous to the placoid scales covering the body. Male Scoliodon species mature at a length of 33 cm while female Scoliodon species mature at 36 cm.

  5. Horse teeth - Wikipedia

    en.wikipedia.org/wiki/Horse_teeth

    The horse will normally have 24 deciduous teeth, emerging in pairs, and eventually pushed out by the permanent teeth, which normally number between 36 and 40. As the deciduous teeth are pushed up, they are termed "caps". Caps will eventually shed on their own, but may cause discomfort when still loose, requiring extraction.

  6. Mammal tooth - Wikipedia

    en.wikipedia.org/wiki/Mammal_tooth

    The number of teeth and their function can vary widely between species, with some dolphins having over a hundred teeth in their jaws, while the narwhal has two functional teeth in its upper jaw which grow into long tusks in males. The tusk is used in feeding, navigation and mating and contains millions of sensory pathways, making it the most ...

  7. Amazonian manatee - Wikipedia

    en.wikipedia.org/wiki/Amazonian_manatee

    Amazonian manatees, similar to all living manatee species in the family Trichechidae, have polyphyodont teeth. Their teeth are continuously replaced horizontally from the caudal portion of the jaw to the rostral portion throughout the manatee's life, a unique trait among mammals.

  8. Johnny Depp shows off major dental transformation after ... - AOL

    www.aol.com/news/johnny-depp-shows-off-huge...

    Johnny Depp’s teeth were branded ‘rotten’ at Cannes in 2023 (Getty Images) In the video, Depp can be seen acknowledging a painting of his Pirates of the Caribbean character.

  9. Fish jaw - Wikipedia

    en.wikipedia.org/wiki/Fish_jaw

    Cartilaginous fishes grow multiple sets (polyphyodont) and replace teeth as they wear by moving new teeth laterally from the medial jaw surface in a conveyor-belt fashion. Teeth are replaced multiple times also in most bony fishes, but unlike cartilaginous fishes, the new tooth erupts only after the old one has fallen out.