日本口腔外科学会雑誌
Online ISSN : 2186-1579
Print ISSN : 0021-5163
ISSN-L : 0021-5163
口腔外科領域におけるスポーツ外傷の疫学調査
前田 憲昭村田 保男片野 清折山 弘森下 裕子伴 由美吉岡 済
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1985 年 31 巻 3 号 p. 568-572

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Sports have become very popular and, independently their of age, a great part of the population is practicing some kind of physical activity. Some of them seek to keep in shape and in good health, others have taken sports professionally.
Recent reports have shown an increasein traumat ic injuries related to sports of which maxillo-facial injuries accounted for 6 %.
Here we report on a survey of oral and maxillo-facial injuries suffered by rugby players in 1984. Questionnaires were sent to the 1, 570 rugby teams that constitute the West Rugby Football Union in Japan.
Among the 821 teams that replied, the total number of reported injured persons was 235. Of these, 5 suffered maxillary bone fractures, 15 had mandibular bone fractures and 215 suffered teeth fractures.
Teams were classified into 5 groups according to age: Group A, composed of elementary school students; Group B, junior high school students; Group C, senior high school students; Group D, college students and Group E, club teams.
We were also interested in when players were more prone to injuries, that is during games or during training.
The results were as follows: in Group A, 3 children suffered teeth fractures, all during training. Group B reported 12 students with teeth fractures, 4 occurred during games and 8 during training. In Group C, 3 maxillary bone fractures were reported, 2 during games and 1 during training; also, 4 mandibular bone fractures that happened during games and 5 during training. Besides, 93 cases of teeth fractures were reported, 43 during games and 50 during training.
The total number of injured persons reported in this group was 105. In Group D, 2 cases of maxillary bone fractures were reported, 1 during games and 1 during training; also, 3 mandibular bone fractures that happened during games only, and 37 cases of teeth fractures of which 19 occurred during games and 18 during training. In Group E, 3 mandibular bone fractures that occurred only during games were reported; also, 70 cases of teeth fractures, 54 during games and 16 during training.
From the data presented here, we concluded that a mouth guard to prevent these injuries should be adopted by rugby players during training as well as games.

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