this is may be general Question , Because there is a different type of teeth ( i.e. anterior & posterior ) according to the roots the number of nerves located.
A human nerve cell has the same number of chromosomes as every other cell in the human body, except for the sperm and egg, 46 (sperm and eggs have 23).
45 miles i know this because i found this out on aChristmas cracker fact sheet. Its good buying crackers once you know whats in there! PEACE OUT. and A VERY MERRY CHRISTMAS TO YOU ALL!