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01.12.2015 | Research article | Ausgabe 1/2015 Open Access

BMC Oral Health 1/2015

The prevalence and risk indicators of tooth wear in 12- and 15-year-old adolescents in Central China

Zeitschrift:
BMC Oral Health > Ausgabe 1/2015
Autoren:
Jing Zhang, Yangge Du, Zhao Wei, Baojun Tai, Han Jiang, Minquan Du
Wichtige Hinweise

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

JZ and ZW: performing the dental examination and data analysis and writing of the manuscript; YGD: data input and data analysis; BJT: design of the study, training and supervising of fieldworkers. MQD: design of the study, training and supervising of fieldworkers, checking the data analyses, and revising the manuscript; HJ: design of the study, project coordination, checking the data analyses, and revising the manuscript. All authors read and approved the final manuscript.

Authors’ information

Department of Preventive Dentistry, School & Hospital of Stomatology of Wuhan University, Wuhan, Hubei, China.

Abstract

Background

Tooth wear has been investigated in numerous countries, and the prevalence has varied. However, the data on tooth wear in China are scarce. The aim of this study was to describe the prevalence of tooth wear and to investigate the relative indicators associated with tooth wear in 12- and 15-year-old adolescents in Wuhan City, Hubei Province, Central China.

Methods

A cross-sectional descriptive study was undertaken among 720 adolescents in Hubei Province, Central China. The age groups in this study were 12- and 15-year-old, and each group consisted of 360 participants in which females and males represented 50 % each. A modified version of the Basic Erosive Wear Examination (BEWE) tooth wear index was used for the buccal, cervical, occlusal/incisal and lingual surfaces of all of the teeth in the 720 adolescents. All of the participants were asked to answer a questionnaire consisting of questions about their current and historical dietary habits and oral hygiene.

Results

The prevalence of tooth wear was 18.6 and 89.4 % in 12- and 15-year-old adolescents, respectively. The prevalence rates of dentin exposure were 1.9 and 5.6 %, respectively. A significantly higher prevalence of tooth wear and dentin exposure in 15-year-old adolescents was found than in 12-year-old adolescents (p < 0.001 and p = 0.011). Several factors such as drinking soft drinks and fruit juices immediately after sports, taking aspirin, reflux, unilateral chewing, tooth brushing once daily or less often, duration of brushing less than 2 min and swimming in the summer were found to be associated with tooth wear.

Conclusions

Tooth wear in 12- and 15-year-old adolescents in Central China is a significant problem and should receive greater attention. The prevalence of tooth wear increases with age and associated with socio-behavioral risk factors.
Literatur
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