It is called a tusk.
Most teeth are of fixed size except in rodents and elephants.
Elephants
They are tusks made from ivory.
Tarrant White
A tusk is just a really big tooth.
Asian elephants usually have trunks that are 13 feet long, Indian elephants are usually 11 feet long
elephants tunks are about 25 feet long
Saber-tooth tiger
the narwals tooth can 7357846545643856 long
It is common name of animals belonging to class Scaphopoda and phylum mollusca. Its shell is tusk shaped and buried in soil.
Elephants have long trunks that they use to drink with, not there mouths!
A back tooth is another name for a molar tooth.