[Primary school teachers' knowledge regarding tooth trauma in Putuo district, Shanghai area].

PURPOSE: This study was conducted to evaluate the knowledge of primary school teachers regarding tooth trauma in Putuo district, Shanghai. METHODS: A questionnaire involving the knowledge of tooth trauma was designed. A total of 1 020 teachers from primary schools were invited to participate in the survey. SPSS 20.0 software package was used for statistical analysis of the data. RESULTS: A total of 973 valid questionnaires were collected. 74.8% of the respondents knew the information of the nearest medical institution dealing with dental trauma; 53.8% would first inform the parents when dental trauma occurred; 59.1% chose to leave the fractured teeth to the parents for treatment; 79.5 % knew that fourth graders had permanent anterior teeth. As to the preservation medium of broken teeth, 12.7% of the participating teachers chose the wrong answer.62.7% of the teachers answered correctly about the cleaning method of contaminated broken teeth. When asked about the best time to reimplant teeth, 19.6% of the teachers chose fewer than half an hour. Teachers' gender, age and whether they were trained before affected their scores of the scene simulation questions(P<0.05), and education background was not the most important factor (P>0.05). CONCLUSIONS: Primary school teachers in Putuo district partly mastered the emergency treatment knowledge of children's tooth trauma. Medical institutions and educational institutions need to strengthen training related to children's tooth trauma.