<prompt> To store avulsed tooth, which kind of milk is shown to be suitable?Hot milkCold milkLow fat milkHigh fat milk  <response>: 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 