Latar Belakang: Prevalensi karies gigi di Indonesia 90% (2010). "Suku Anak Dalam" di pedalaman hutan Provinsi Jambi menganut paham animisme yang mempunyai pantangan menggunakan pasta gigi. Tujuan Penelitian: Mengidentifikasi pengetahuan, sikap, dan tindakan murid "Sokola Rimba" serta kaitannya dengan kepercayaan memelihara kesehatan gigi dan mulut terhadap risiko karies gigi. Metode: Deskriptif kualitatif etnografi dan kuantitatif cross-sectional dengan metode convenience sampling. Hasil Penelitian: Status karies gigi menurut indeks deft anak usia 5-10 tahun 5,18; indeks DMFT anak usia 5-10 tahun 4,59 dan remaja usia 12-18 tahun 16,53. Kesimpulan: Status karies gigi berkaitan dengan perilaku dan kepercayaan masyarakat "Suku Anak Dalam".

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Background: Prevalence of caries in Indonesia is 90% (2010). "Suku Anak Dalam" in the jungle of Jambi Province believed in animism which prohibits the use of toothpaste. Objective: To identify the knowledge, attitudes, and practice "Sokola Rimba" students with its relation to the belief of maintaining dental and oral health on the risk of dental caries. Methods: Descriptive qualitative ethnographic and quantitative cross-sectional with convenience sampling method. Result: Caries status according to def-t index 5,18 children 5-10 years of age; DMF-T index of 4,59 children aged 5-10 years and adolescents aged 12-18 years are 16,53. Caries severity is related to the behavior and beliefs in "Suku Anak Dalam".