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THE INCIDENCE OF DENTAL CARIES IN 7TH GRADE STUDENTS IN REMBANG, CENTRAL JAVA

Background: Dental caries in children is a common multifactorial dental health problem. There are some important risk factors in the incidence of dental caries in children. Purpose: The aim of this study was to determine the incidence of dental caries and the relationship between risk factors and dental caries in 7 th grade students in Rembang, Central Java. Method: An observational research design was applied, through the use of a cross-sectional study. The study population was 574, with a total sample of 75 respondents. The research sample was determined using a random sampling method. The locations of this research are SMPN 1 Lasem and SMPN 2 Rembang, Rembang, Central Java. This study was conducted between May and August 2018. Data collection techniques included dental examination for dental caries and a questionnaire to determine the risk factors. Analysis of the study was conducted via a chi-square statistical test. Results: Of the respondents, 46.67% had active caries. There was a relationship between a history of caries and a current caries incidence (p = 0.01) and between the time of toothbrushing and caries incidence in grade 7 junior high school students in Rembang Regency, Central Java (p = 0.01). Conclusion: A previous history of caries and the time of toothbrushing have a relationship with the incidence of dental caries in 7 th grade junior high school students in Rembang Regency, Central Java.