As nouns the difference between teeth and serration
is that teeth is plural of lang=en while serration is the state of being serrated.
teeth
English
Noun
(head)
(plural only) The ability to be enforced, or to be enforced to any useful effect.
Synonyms
* (plural of "tooth") chompers, pearly whites
* (ability to be enforced) enforceability
Derived terms
* arm to the teeth
* by the skin of one's teeth
* cut one's teeth
* get one's teeth into / sink one's teeth into
* give one's eye-teeth
* gnash one's teeth
* grit one's teeth
* in the teeth of
* lie through one's teeth
* set one's teeth on edge
serration
English
Noun
(uncountable) The state of being serrated
(countable) A set of teeth or notches
(countable) One of the teeth in a serrated or serrate edge