Tooth (animal) in the context of "Diphyodont"

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👉 Tooth (animal) in the context of Diphyodont

A diphyodont is any animal with two sets of teeth, initially the deciduous set and consecutively the permanent set. Most mammals are diphyodonts—as to chew their food they need a strong, durable and complete set of teeth.

Diphyodonts contrast with polyphyodonts, whose teeth are constantly replaced. Diphyodonts also differ from monophyodonts, which are animals who have only one set of teeth that does not change over a long period of growth.

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👉 Tooth (animal) in the context of Diphyodont
Tooth (animal) in the context of Polyphyodont

Tooth (animal) in the context of Polyphyodont

A polyphyodont is any animal whose teeth are continually replaced. In contrast, diphyodonts are characterized by having only two successive sets of teeth.

Polyphyodonts include most toothed fishes (most notably sharks), many reptiles such as crocodiles and geckos, and most other vertebrates, with mammals being the main exception (though not absolute).

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