Komori T, Takato T, Miyamoto M, Susami T, Akagawa T
Department of Oral Surgery, Faculty of Medicine, University of Tokyo.
Kokubyo Gakkai Zasshi. 1993 Dec;60(4):469-74. doi: 10.5357/koubyou.60.469.
A questionnaire about dental health was given to 6846 new students in the University of Tokyo. The results were as follows: 1. 5.3% of students had experienced periodontal diseases. The percentage of students with gingival bleeding was 20.7%. 2. Most of the students brushed their teeth 3 minutes at a time, 2 times a day. 3. 11.5% of the students had experienced orthodontic treatments. The percentage of female students was significantly higher than the percentage of male students. 4. 0.9% of the students had experienced TMJ disorders. TMJ symptoms were noted in 9.7%. 5. More than 90% of the students usually chewed on both sides of the mouth.
一份关于牙齿健康的问卷被发放给了东京大学的6846名新生。结果如下：1. 5.3%的学生曾患牙周疾病。牙龈出血的学生比例为20.7%。2. 大多数学生每次刷牙3分钟，每天刷2次。3. 11.5%的学生曾接受过正畸治疗。女生的比例显著高于男生。4. 0.9%的学生曾患颞下颌关节紊乱症。有9.7%的学生有颞下颌关节症状。5. 超过90%的学生通常双侧咀嚼。
