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Prevalence of traumatic injuries to permanent dentition and its association with overjet in a Swiss child population.

Journal article
Authors Jean-Paul Schatz
Magnus Hakeberg
Enrico Ostini
Stavros Kiliaridis
Published in Dental traumatology : official publication of International Association for Dental Traumatology
Volume 29
Issue 2
Pages 110–114
ISSN 1600-9657
Publication year 2013
Published at Institute of Odontology
Pages 110–114
Language en
Links dx.doi.org/10.1111/j.1600-9657.2012...
Keywords dental injuries, epidemiology, increased overjet
Subject categories Health Sciences, Other Medical Sciences

Abstract

OBJECTIVE: Dental trauma is a very common issue in dentistry and its occurrence has been related to many factors. The aim of this study was to evaluate the prevalence of traumatic dental injuries in the permanent dentition among Swiss children and its association with overjet. MATERIAL AND METHODS: A sample of 1900 children aged 6-13 years was prospectively evaluated to determine the number and types of injuries, the influence of overjet on the risk of suffering trauma and the relationships between trauma, age, gender and life conditions. RESULTS: The observed prevalence of trauma was higher for boys, with a slight risk increase with age and a peak frequency at the age of 10 years. Most of the injuries (91.2%) involved the upper front teeth; 87.2% of all injuries were hard tissue injuries (enamel or dentin fractures), and 12.8% only subluxation and luxation injuries. Children with an overjet of 6 mm or more had a four times higher risk of suffering trauma, compared with those with less overjet. CONCLUSION: This cross-sectional study confirmed most of the results from earlier studies dealing with epidemiological factors of dental injuries to the permanent dentition. Of all the variables analysed, overjet stood out as the most significant risk factor: an increased overjet of 6 mm or more had a major impact on the risk of trauma, which would speak in favour of early orthodontic correction of an increased overjet to reduce the prevalence of dental trauma.

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