Objective Our aim was to study the oral health behaviour and dietary habits of undergraduates on campus. In order to provide original data for improving oral health education and putting forward an optimized educa-tional pattern. Methods Stratified sampling was used to pick up 1 500 undergraduates from Sichuan University. Par-ticipants were investigated by using questionaires on oral health behaviour and dietary habits. Results Most students brushed tooth for keeping tone fresh. The frequency and amount of sugary food intake was mostly once or twice a week and 100~400 g perspectively. Girls ate sugary food in significant higher frequency while boys drank more beve-rage both in frequency and amount. The majority of students did nothing after taking sugary food and they also failed to pay dental visits when the tooth appearances had changed or toothache had occurred. Unless the hurt feeling had overpassed their tolerance would they consult dentists. Conclusion Most undergraduates lack oral health behavior. Frequency and amount of taking sugary food were in high level while dental visit inclination was low. Universities as well as other institutes should emphasize oral health propaganda and education to improve undergraduates’ oral health consciousness.% 目的了解在校大学生的口腔保健意识和饮食习惯,为完善口腔健康教育提供原始数据,探讨更优化的教育模式。方法采用分层抽样的方法,对四川大学1500名大学生以问卷调查的形式对其口腔保健意识和饮食习惯进行调查。结果大学生主要为保持口气清新而刷牙,甜食食用频率主要为每周1~2次,数量集中在100~400 g,女生食用甜食的频率显著高于男生,而男生饮用饮料的频率和量更高,食用甜食后多数学生不做清洁措施,大多数学生在牙疼或变色时不会及时就诊,仅当疼痛难忍时才就医。结论大学生的口腔保健行为缺乏,食用甜食频率数量较高,就诊意识淡薄,学校等机构应该加强口腔保健知识的宣传和教育来提高大学生自我口腔保健意识。
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