EFEKTIVITAS BUAH PEPAYA TERHADAP PENURUNAN INDEKS PLAK PADA SISWA/I KELAS VII - 2 DI SMP N 1 BATANG KUIS KABUPATEN DELI SERDANG TAHUN 2017

Abstract

Fibrous fruit which contains a lot of water can be consumed as tooth cleaner which can remove plaque from tooth surface. The result of the laboratory research revealed that 20% of plaque consists of organic and non - organic solid substance and 80% of the pl aque weight consists of water and 70% of the solid substance consists of microorganism. The research was a descriptive survey. It was conducted on Grade VII - 2 students of SMP N 1 Batang Kuis, Deli Serdang Regency. The population was 216 students, and 35 of them were used as the samples. The result of the research showed that after chewing papaya, 15 respondents had good criteria in their plaque index, 20 respondents had moderate criteria, and no respondent had bad crit eria.The conclusion was that the mean d ifference in plaque index before and after chewing papaya influenced the decrease in plaque index which could be seen from the mean difference in plaque index before and aft er chewing papaya .