Di Indonesia laporan mengenai keparahan karies gigi berdasarkan indeks def-t/DMFT dan indeks pufa/PUFA masih langka. Tujuan penelitian ini diketahuinya tingkat keparahan karies gigi pada murid sekolah dasar di daerah tertinggal dan perkotaan. Penelitian ini adalah survey deskriptif.Hasil penelitian status keparahan karies gigi di daerah perkotaan menurut indeks def-t 3,38, indeks DMF-T 0,54, indeks pufa 0,83, indeks PUFA 0,07, rasio pufa 28,6%. Status keparahan karies gigi di daerah tertinggal menurut indeks pufa 1,63 dan indeks PUFA 0,4. Indeks def-t/DMF-T berkaitan dengan pencegahan karies gigi. Indeks pufa/PUFA berkaitan dengan pelayanan kesehatan.

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In Indonesia research about caries severity in accordance to dmft and pufa index is infrequent. The purpose is knowing level of caries severity between rural and urban area. This study is using descriptive survey studies as methode. Caries severity status in elementary school students in urban area according to deft index is 3.38, DMFT index 0,54, pufa index 0.83, PUFA index 0,07, Pufa Ratio 28,6%.

Caries severity status in elementary school students in rural area according to pufa index is 1,63 and PUFA index 0,4. def-t/DMF-T index is related to caries prevention strategy. Pufa/PUFA index is related to health service.