Colgate World of Care, "Injured Tooth: What Should I Do?,"
http://www.colgate.com/app/Colgate/US/OC/Information/OralHealthBasics/EmergenciesInjuries/DentalEmergencies/InjuredToothWhatShouldIdo.cvsp  (accessed February 3, 2010)

eMedicine, "Fractured Teeth," http://emedicine.medscape.com/article/82755-overview (accessed February 3, 2010)