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Hello guys...

could you please explain to me what is the difference, between "teeth" and "tooth"??

and which one is the correct sentence below:
*i just brushed my teeth.
*i just brushed my tooth.

highly appreciate for your help..

thanks before

best regards,
Ardy
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One tooth.

Two or more teeth.

Comments  
One tooth/foot/hand/book/child.
Two teeth/feet/hands/books/children.
Students: We have free audio pronunciation exercises.
When Tooth is singular and teeth is plural,
Why do we use tooth brush not teeth brush?

Please explain

Thanks in advance
AnonymousWhen Tooth is singular and teeth is plural,Why do we use tooth brush not teeth brush?
Nouns used as attributive adjectives are normally in the singular: shoe store, fingernail clipper, pencil case.
They are not being used attributively, they are forming endocentric compounds.
Students: Are you brave enough to let our tutors analyse your pronunciation?
 Optilang's reply was promoted to an answer.