J Dent Rehabil Appl Sci.  2021 Dec;37(4):251-258. 10.14368/jdras.2021.37.4.251.

Management of complicated crown fracture by tooth fragment reattachment with fiber post: a case report

  • 1Department of Conservative Dentistry, Dental Research Institute, Dental and Life Science Institute, School of Dentistry, Pusan University, Yangsan, Republic of Korea
  • 2Dental Clinic Center, Pusan National University Hospital, Busan, Republic of Korea


Dental trauma is very common in children and relatively young people, with the line of treatment depending on the time elapsed, age of the child, and tooth maturity. If the fractured segment is available and there is close approximation of the segment to the remaining tooth, reattachment of the fractured segment is a feasible option. This treatment offers several advantages, including the reestablishment of function, aesthetics, shape, shine and surface texture, in addition to the original contour and alignment of the teeth. The following cases present two different complex crown fracture cases that were treated using tooth fragment reattachment with fiber-reinforced composite post.


complicated crown fracture; fiber post; fragment reattachment


  • Fig. 1 Tooth fragment reattachment of the Case A. (A) preoperative photograph, (B) preoperative radiograph, (C) completion of canal filling, (D) cementation of fiber post, (E) tooth fragment (palatal surface), (F) acid etching of fractured fragment, (G) postoperative photograph, (H) postoperative radiograph, (I) 5-month follow-up photograph, (J) 5-month follow-up radiograph.

  • Fig. 2 Tooth fragment reattachment of the Case B. (A) preoperative photograph, (B) preoperative radiograph, (C) tooth fragment of upper right lateral incisor, (D) fracture of upper right central incisor with pulp exposure and lateral incisor with oblique fracture line from labial to subgingival palatally, (E) checking the fit of fiber post, (F) cementation of fiber post, (G) vent created in fragment, (H) acid etching of fragment, (I) postoperative photograph, (J) postoperative radiograph (K), (L) after direct resin restoration of upper right central incisor, (M) 10-month follow-up photograph, (N) 10-month follow-up radiograph.



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