J Dent Rehabil Appl Sci.  2024 Nov;40(4):249-256. 10.14368/jdras.2024.40.4.249.

Use of mineral trioxide aggregate in the treatment of horizontal root fracture with a 4-year follow-up: case report

Affiliations
  • 1Department of Dentistry, College of Medicine, Kosin University, Busan, Republic of Korea

Abstract

Root fracture is a rare case of dental trauma, occurring mainly in the maxillary anterior teeth, and comprise only 0.5 - 7% of traumas affecting permanent tooth. When a horizontal root fracture is diagnosed through radiological examinations, a splint is placed on the adjacent teeth and the progress is observed. If pulp necrosis of the fractured coronal fragment occurs, root canal treatment is performed. Calcium hydroxide or mineral trioxide aggregate (MTA) can be used at this time. In this case report, a maxillary central incisor with a horizontal root fracture was filled with MTA and followed up for 4 years. The tooth was maintained without any clinical symptoms or loss during the 4-year follow-up period.

Keyword

denta trauma; horizontal root fracture; MTA; CBCT

Figure

  • Fig. 1 Initial radiographs. (A) Panorama view. (B) Periapical radiograph showing the horizontal root fracture.

  • Fig. 2 Working Length determination radiograph for evaluation of the level of labial fracture line with #45-K file (A) and the level of palatal fracture line with #110-K file (B).

  • Fig. 3 Digital periapical radiographs of MTA obturation in coronal root fragment. (A) Checking the MTA obturation status, (B) Immediately after MTA obturation, (C) Core builds-up after a week of MTA obturation.

  • Fig. 4 (A) Periapical radiograph after two-years of MTA obturation, (B) Periapical radiograph after four-years of MTA obturation.

  • Fig. 5 The sagittal (left) and frontal (right) CBCT slices of maxillary left central incisor. (A) CBCT images immediately after MTA obturation, (B) CBCT images after four-years of MTA obturation.


Reference

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