RT Book, Section
A1 Jauch, Edward C.
A1 Valdez, J. Amadeo
A2 Knoop, Kevin J.
A2 Stack, Lawrence B.
A2 Storrow, Alan B.
A2 Thurman, R. Jason
SR Print(0)
ID 1181040555
T1 Tooth Fractures
T2 The Atlas of Emergency Medicine, 5e
YR 2021
FD 2021
PB McGraw-Hill
PP New York, NY
SN 9781260134940
LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1181040555
RD 2024/04/19
AB Anatomically,  each  tooth  has  a  crown  and  root  portion.  Externally,  the  crown  is  covered  with  white  enamel  and  the  root  portion  with  cementum.  The  cementoenamel  junction  (cervical  line)  is  where  the  crown  and  root  meet.  The  yellow-to-tan  dentin  is  the  2nd  innermost  layer  and  comprises  the  bulk  of  the  tooth.  The  red-to-pink  pulp  tissue  is  located  in  the  center  of  the  tooth  and  includes  the  tooth’s  neurovascular  supply.  The  Ellis  classification  system  is  commonly  used  to  describe  tooth  fractures  above  the  cervical  line  in  anterior  teeth: