A Case Report of Prosthodontic Treatment with Orthodontic Minor Tooth Movement for a Sub-alveolar Tooth Fracture

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  • Arima Taro
    Department of Oral Rehabilitation, Graduate School of Dental Medicine, University of Hokkaido

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  • 骨縁下破折歯に対して矯正的挺出術を施し，歯冠補綴を行った１症例

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Abstract

Patient: A 33-year-old male patient, who sought treatment for a tooth fracture on the upper-central incisor at the sub-alveolar bone level, was referred to our clinic. The tooth was extruded by minor tooth movement and was finally treated by fusing porcelain to a metal crown with a metal core.<br>Discussion: The treated tooth showed a good course after insertion of the final restoration. This may have been due to reinforcing the biologic width by tooth extrusion.<br>Conclusion: Tooth extrusion should be included as a treatment option for root fracture below the sub-alveolar bone level, although the crown-root ratio would be increased. This report verified that tooth extrusion is an effective treatment, provided that an appropriate investigation of all possibilities, such as compensation of tooth strength, is performed.

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