The buccal fistula of the upper central incisor (Fig.2 *) seems to be less severe than the swelling (arrowheads). When the crown is removed, the root has a crack line buccally.
Repair Buccal Defect Internally Last Next
Xin Wei, DDS, PhD, MS 1st edition 03/28/2016, last revision 06/14/2021