Note from ProngBasta:
I've tried to get the Troll Teeth for the kill task, but after killing 36 fallen trolls, I sent an appeal and the online CSR told me that the Troll Teeth item is currently "not assigned to a loot table", so don't hunt these for this item, but they have unique items dropping:
* Adroit Svarskodd Sleeves, studded, Base 88 (Body 4%, Str 16, Dex 21, Energy 3%)
* Serrated Svarlaedar Helm, leather, Base 88 (Sword 4, Hits 22, Str 7, Con 7)
* Adroit Trident, Base DPS 15.3, Speed 4.6 (Hits 33, Dex 13, Qui 9, Heat 2%)
* Fortifying Long Spear, Base DPS 15.0, Speed 4.2 (Con 16, Crush 6%, Hits 32, Stealth 1%)
* Fortifying Moon Fang , Base DPS 13.5, Speed 2.6 (Str 12, Slash 6%, Hits 18, Con 16)
* Fortifying Ring (Dex 15, Body 4%, Qui 6, Con 19)