A Malocclusion Treatment Case in which Fenestration-traction of a Completely Impacted Maxillary Canine was Performed

DOI 4 Citations 26 References
  • KATAOKA Yoko
    Department of Orthodontics, Showa University School of Dentistry
  • NAKANO Haruhisa
    Department of Orthodontics, Showa University School of Dentistry
  • MAKI Koutaro
    Department of Orthodontics, Showa University School of Dentistry

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  • 上顎犬歯完全埋伏歯の開窓牽引を行った不正咬合治験例

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Orthodontically, we frequently encounter malocclusion cases accompanying impacted teeth. It has been reported that impacted teeth not only disturb the growth of the teeth, dentition, and jaw bone, affecting occlusal establishment, but also cause tooth root resorption in neighboring teeth when compressing their tooth roots.<BR>In this study, the patient was a 13-year-2-month-old female at the time of the first examination, who visited our department with chief complaint that the maxillary right canine had not surfaced. As a result of examination, the patient was diagnosed as having Angle class I crowding with a completely impacted maxillary right canine and the absence of the mandibular left lateral incisor. An X-ray showed severe tooth root resorption in the maxillary right central incisor, and preservation of the tooth was considered impossible. Therefore, we extracted the maxillary right central incisor to achieve an eruption space for the maxillary right canine, and fenestration-traction of the maxillary right canine was performed. Thereafter, functional occlusion was established using multi-bracket appliances, and a good occlusal relationship was obtained.<BR>However, since tooth root resorption in the neighboring maxillary central incisor had already been noted at the first examination, the maxillary central incisor, which is esthetically important, had to be extracted in this case. It was considered that if earlier treatment had been performed, tooth impaction could have been prevented, and unnecessary tooth extraction could have been avoided. Therefore, it was suggested that it is necessary to promote better treatment results by detecting impacted teeth earlier, and appropriately diagnosing their positional relationship.

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