case_images: PMC5822811_01
case_images: Pretreatment photograph of tooth 21 with crown-root fracture (frontal view).
case_images: CRID2018-8715647.001.jpg
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case_images: fig1
case_images: Clinical examination revealed an oblique fracture from the labial surface of the upper left permanent central incisor (tooth 21) extending palatally 3.5 mm beneath the gingival margin (Figures 1 and 2).
case_images: Pretreatment photograph of tooth 21 with crown-root fracture (palatal view).
case_images: CRID2018-8715647.002.jpg
case_images: PMC5822811_01_CRID2018-8715647.002.jpg
case_images: fig2
case_images: Clinical examination revealed an oblique fracture from the labial surface of the upper left permanent central incisor (tooth 21) extending palatally 3.5 mm beneath the gingival margin (Figures 1 and 2).
case_images: Periapical radiograph of tooth 21 showing the extent of the crown-root fracture.
case_images: CRID2018-8715647.003.jpg
case_images: PMC5822811_01_CRID2018-8715647.003.jpg
case_images: fig3
case_images: A periapical radiograph showed evidence of a crown-root fracture of the tooth 21, and the tooth has an immature apex (Figure 3).
case_images: Location of the root canal treatment access on the palatal of the fractured tooth 21 after repositioning of the fractured fragments.
case_images: CRID2018-8715647.004.jpg
case_images: PMC5822811_01_CRID2018-8715647.004.jpg
case_images: fig4
case_images: An access cavity was made through the crown (Figure 4).
case_images: Root canal of tooth 21 filled with nonsetting calcium hydroxide.
case_images: CRID2018-8715647.005.jpg
case_images: PMC5822811_01_CRID2018-8715647.005.jpg
case_images: fig5
case_images: The canal was chemomechanically prepared, dried, and filled with nonsetting calcium hydroxide (Figure 5).
case_images: Obturation of the root canal of tooth 21 with bioceramics and gutta-percha.
case_images: CRID2018-8715647.006.jpg
case_images: PMC5822811_01_CRID2018-8715647.006.jpg
case_images: fig6
case_images: The following week, the canal was obturated with thermoplasticised GP, and the access cavity was restored with the self-cured GIC (Figure 6).
case_images: Sectional fixed orthodontic appliance in place for extrusion of fractured tooth 21.
case_images: CRID2018-8715647.007.jpg
case_images: PMC5822811_01_CRID2018-8715647.007.jpg
case_images: fig7
case_images: Extrusion of the fractured tooth was initiated with a sectional fixed orthodontic technique using a 0.014 x 0.025 rectangular nickel-titanium (NiTi) archwire (Figure 7).
case_images: Periapical radiograph of tooth 21 following extrusion prior to reattachment of the fractured fragment of the tooth.
case_images: CRID2018-8715647.008.jpg
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case_images: fig8
case_images: The periapical radiograph did not show any remarkable changes (Figure 8).
case_images: Final restoration of tooth 21 using the patient's own fractured fragment of the tooth.
case_images: CRID2018-8715647.009.jpg
case_images: PMC5822811_01_CRID2018-8715647.009.jpg
case_images: fig9
case_images: The stored coronal fragment was reattached to the extruded tooth with composite resin (Figure 9).
case_images: PMC5822811_02
case_images: Pretreatment photograph of tooth 11 with crown-root fracture (frontal view).
case_images: CRID2018-8715647.010.jpg
case_images: PMC5822811_02_CRID2018-8715647.010.jpg
case_images: fig10
case_images: Clinical examination showed a crown-root fracture of the upper right permanent central incisor (tooth 11) (Figure 10).
case_images: Pretreatment photograph of tooth 11 with crown-root fracture (palatal view).
case_images: CRID2018-8715647.011.jpg
case_images: PMC5822811_02_CRID2018-8715647.011.jpg
case_images: fig11
case_images: The oblique fracture line extended in a labiopalatal direction with the palatal margin extending 3.5 mm subgingivally (Figure 11).
case_images: Cone beam computed tomographic view of tooth 11 in various planes showing the extent of the fracture.
case_images: CRID2018-8715647.012.jpg
case_images: PMC5822811_02_CRID2018-8715647.012.jpg
case_images: fig12
case_images: Cone Beam Computer Tomography (CBCT) images of the tooth showed a complicated crown-root fracture, and the tooth has an almost matured root apex (Figure 12).
case_images: Obturation of the root canal of tooth 11 with bioceramics and gutta-percha.
case_images: CRID2018-8715647.013.jpg
case_images: PMC5822811_02_CRID2018-8715647.013.jpg
case_images: fig13
case_images: The following week, the canal was obturated with thermoplasticised GP, and four orthodontic brackets were placed on the labial surfaces of tooth 12 to tooth 22 (Figure 13).
case_images: Sectional fixed orthodontic appliance in place for extrusion of tooth 11.
case_images: CRID2018-8715647.014.jpg
case_images: PMC5822811_02_CRID2018-8715647.014.jpg
case_images: fig14
case_images: A short span 0.014 x 0.025 rectangular nickel-titanium (NiTi) archwire was used to extrude the tooth fractured palatal margin further gingivally (Figure 14).
case_images: Composite restoration of the fractured tooth 11 after orthodontic extrusion.
case_images: CRID2018-8715647.015.jpg
case_images: PMC5822811_02_CRID2018-8715647.015.jpg
case_images: fig15
case_images: Five months later, sufficient amount of the palatal margin of the fractured tooth was clinically visible for composite build-up (Figure 15).