Clinical studies on dental trauma

DOI Web Site 2 Citations 18 References
  • ISHII Junichi
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University
  • YAMANE Masashi
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University
  • AOYAGI Junya
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University
  • MITSUNAGA Sachiyo
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University
  • SATOH Hiroaki
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University
  • TSUGAWA Junichi
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University
  • IWAKI Hiroshi
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University
  • AMAGASA Teruo
    Maxillofacial Surgery, Maxillofacial Reconstruction and Function, Division of Maxillofacial and Neck Reconstruction, Graduate School, Tokyo Medical and Dental University

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Other Title
  • 歯の外傷に関する臨床的検討
  • ハ ノ ガイショウ ニ カンスル リンショウテキ ケントウ

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Abstract

Dental trauma patients may need to consult not only an oral surgeon, but also various departments of dentistry. The appropriate treatment for dental trauma depends on the type of damage to the teeth and the necessary dental treatment required.<BR>We assessed the characteristics of 600 patients (288 males, 312 females) with traumatized teeth who were treated at the Department of Oral and Maxillofacial Surgery at Tokyo Medical and Dental University Hospital during the thirteen-year period from 1993 to 2005. We thus identified 177 cases of luxation, with young people up to their twenties predominating. The most frequent type of luxation was subluxation of the maxilla. We also found 77 cases of crown fractures in patients over 10 years of age. On the other hand, masticatory crown fractures were most frequently found in patients over 50 years of age. In addition, 13 root fractures were observed observed among patients demonstrating a wide age range. Masticatory root fractures as well as crown fractures were most commonly observed in patients older than 50 years of age.<BR>When comparing these results with those of past cases in our experience, a decrease in the number of teeth demonstrating luxation and an increase in the number of crown fractures were respectively observed. In terms of treatment, the percentage of reimplanted teeth has recently increased in cases demonstrating complete luxation (avulation), while crown fractures have recently tended to be mostly commonly treated by extraction. Therefore, the overall prognosis of luxation teeth has improved.

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