Animated Teeth, "A Listing of Common Post Tooth Extraction Instructions," http://www.animated-teeth.com/tooth_extractions/t6_extraction_instructions.htm (accessed February 3, 2010)

 Merck Manuals Online Medical Encyclopedia, "Dental Emergencies: Merck Manual Professional," http://www.merck.com/mmpe/sec08/ch096/ch096d.html?qt=sequestrum&alt=sh (accessed February 3, 2010)