dentition vs teeth

dentition and teeth both are nouns.

Word	Noun	Adjective	Verb	Adverb
dentition	Yes	No	No	No
teeth	Yes	No	No	No

As nouns, dentition and teeth are synonyms defined as:

dentition and teeth: the kind and number and arrangement of teeth (collectively) in a person or animal

dentition (noun)	teeth (noun)
the kind and number and arrangement of teeth (collectively) in a person or animal	the kind and number and arrangement of teeth (collectively) in a person or animal
the eruption through the gums of baby teeth