HUBUNGAN PENGETAHUAN KESEHATAN GIGI DAN MULUT DENGAN TINGKAT KEPARAHAN KARIES GIGI PADA ANAK USIA 12-15 TAHUN

Background: The main factors that causes of dental caries are the host (teeth and saliva), a substrate (Mod), microorganisms. causing caries, and time. The factor that cause of caries is inherent in an individual's mouth which affects directly to t1w occurrence of dental caries. Besides due to internal factors. caries can be caused by some external ,fitctors. One of them is known about oral health. The kia has important role in the fhlMilijoll yi a human hchavior. The level e.?1 this knowledge can provide the understanding on maintaining, oral health.
Objective: This study aims to understand the relationship of the knowledge of oral health and the severity of dental caries in the children aged 12th-15th.
Methods: This is a research study based on analytical observation approached hi a cross sectional method using questionnaire and clinical check up. The subjects (,:e 84 students aged 12th to 15th in SW Muhammadiyah 9 Yogyakarta. This study used stratified random sampling. The severity of caries examined by CS! (Caries Severity Index) and the level of oral health knowledge from the questionnaire. The data are analy:cd by Pearson correlation test.
Result: From this study, we can see that the level of kowledg,e of 66 students or /i "ri students is 13-18. While the v.:writ). of caries which measured by Caries Sevc.•itv h7dcv has the most point of I in a number ril. 37 students or 44(.-%"). The result of- statistical test used Pearson correlation test is known by a .score of ',- value, 0,109 which is p > 0,05 (p = 0,109 > 0,05).
Conclusion: this study concludes that there is no significant relationship between the oral health knowledge and the severity of dental caries on the schoolchildren aged 12th to 15th.
Key words : Caries. Caries Severity index (CS1), Knowledge