Abstract
ObjectiveTo investigate the effectiveness of educational poster on improving secondary school students' knowledge of emergency management of dental trauma.MethodsA cluster randomised controlled trial was conducted. 16 schools with total 671 secondary students who can read Chinese or English were randomised into intervention (poster, 8 schools, 364 students) and control groups (8 schools, 305 students) at the school level. Baseline knowledge of dental trauma was obtained by a questionnaire. Poster containing information of dental trauma management was displayed in a classroom for 2 weeks in each school in the intervention group whereas in the control group there was no display of such posters. Students of both groups completed the same questionnarie after 2 weeks.ResultsTwo-week display of posters improved the knowledge score by 1.25 (p-value = 0.0407) on average.ConclusionEducational poster on dental trauma management significantly improved the level of knowledge of secondary school students in Hong Kong.Trial Registration HKClinicalTrial.com HKCTR-1343 ClinicalTrials.gov NCT01809457
Highlights
Prevalence of traumatic dental injuries of primary and permanent teeth is high throughout the world
Most studies showed that teachers or school staff [3,4,5,6,7,8,9,10,11,12,13,14,15], parents [15,16,17,18,19,20,21], nurses [15,22,23], paramedics [23] and coaches [21] lacked the knowledge to manage traumatic dental injuries appropriately before the injured person reached dental professionals
Since immediate management of traumatic dental injury does not require special skill but only knowledge, it can be performed by a lay person if one knows the procedures
Summary
Prevalence of traumatic dental injuries of primary and permanent teeth is high throughout the world. Most studies showed that teachers or school staff [3,4,5,6,7,8,9,10,11,12,13,14,15], parents [15,16,17,18,19,20,21], nurses [15,22,23], paramedics [23] and coaches [21] lacked the knowledge to manage traumatic dental injuries appropriately before the injured person reached dental professionals. Since immediate management of traumatic dental injury does not require special skill but only knowledge, it can be performed by a lay person if one knows the procedures. The results were that the subjects did not possess adequate knowledge
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