To store avulsed tooth, which kind of milk is shown to be suitable?
Hot milk
Cold milk
Low fat milk
High fat milk
Milk has shown to maintain the vitality of periodontal ligament cells for 3 hours. 
Low fat milk is relatively bacteria-free with pH and osmolality compatible with vital cells.
Ref: Textbook of endodontics, Nisha Garg and Amit Garg, 3rd edition, pg no:476