J Korean Acad Oral Health.  2016 Dec;40(4):222-230. 10.11149/jkaoh.2016.40.4.222.

Distribution of dental erosion and its related factors among workers in factories that use acids

• Park SM
• Shin MS
• Kong MS
• Kim HD

• KMID: 2366487
• DOI: http://doi.org/10.11149/jkaoh.2016.40.4.222

Abstract

OBJECTIVES
No evidence has been found on various types of dental erosion, except for occupational dental erosion. This study aimed to evaluate the distribution of four types of dental erosion (occupational, dietary, systemic, and gastric) and its associated factors among workers in factories that use acids.
METHODS
Of 89,034 workers from 4,625 factories that use acids, 716 workers from 38 factories were selected for this cross-sectional epidemiological study by using three-stage stratified cluster sampling. Evaluation for dental erosion was performed by a trained dentist by using Kim's criteria, and a saliva sample was collected directly from each participant. Data on acid sources and associated factors were collected by using questionnaires. By using a complex sample analysis, the T test and Rao-Scott chi-square test were applied to analyze the distribution of four acid factors and to evaluate the associated factors.
RESULTS
The prevalence of overall dental erosion was 37.7% for occupational dental erosion, 23.1% for dietary dental erosion, 3.1% for systemic dental erosion, and 3.2% for gastric dental erosion. The prevalence of severe dental erosion was 10.5% for occupational dental erosion, 7.1% for dietary dental erosion, 1.8% for systemic dental erosion, and 1.7% for gastric dental erosion. The factors associated with dental erosion were age, sex, acid exposure, dental cervical abrasion, and dental attrition.
CONCLUSIONS
Our data showed that the prevalence of dental erosion was high, moderate, and low in occupational, dietary, and gastric and systemic dental erosions, respectively, among workers exposed to acids. The related factors differed according to the types of dental erosion. Our data suggested that different types of promotion programs for dental erosion should be considered according to acid source.

Keyword

Associated factor; Dental erosion; Epidemiology; Source of acid; Workers exposed to acids

MeSH Terms

Dentists
Epidemiologic Studies
Epidemiology
Humans
Prevalence
Saliva
Tooth Attrition

Figure

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  Fig. 1. Questionnaires and responses.

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  Fig. 2. Prevalence of overall dental erosion (A) and severe dental erosion (B) according to acid sources.

Reference

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