Background: Adolescents (7-12 years old) have a high potential of FDULHV DQG SHULRGRQWDO LQIHFWLRQV ,W KDSSHQV GXH WR ¿VK GLHW RI FKLOGUHQ DW FRDVWDO DQG QRQ FRDVWDO UHJLRQ )LVK QXWULHQW FRQWDLQV PLQHUDO ÀXRULGH which prevents demineralisation process. In addition, there is fatty acid ZKLFK FRQWDLQV DQWL LQÀDPPDWLRQ WKDW SUHYHQW SHULRGRQWDO GLVHDVH 7KH DLP RI WKH VWXG\ LV WR GHWHUPLQH WKH GLIIHUHQFH EHWZHHQ ¿VK FRQVXPSWLRQ habit and oral health of coastal and non coastal people at Jepara district in 2012. Method: This research used analysis observational method with cross sectional design. It was done in 50 children at coastal region and 50 children at non coastal region in 2012. Those samples were collected using FRQYHQLHQFH VDPSOLQJ PHWKRG 7KH ¿VK GLHW SDWWHUQ ZDV PHDVXUHG ZLWK TXHVWLRQQDLUH &DULHV VWDWXV ZDV PHDVXUHG ZLWK '0)7 LQGH[ DQG JLQJLYDO health was measured using Loe and Silness' gingival index. Study result was analyzed with Mann-Whitney comparative test. Result: The analysis UHVXOW VKRZHG WKDW WKHUH ZDV D VLJQL¿FDQW GLIIHUHQFH RI ¿VK FRQVXPSWLRQ pattern (p=0,000), DMF-T status (p=0,000) and gingival index (p=0,000) between people at coastal and non coastal area. Conclusion: There is D VLJQL¿FDQW GLIIHUHQFH EHWZHHQ ¿VK FRQVXPSWLRQ SDWWHUQ DQG RUDO KHDOWK status of coastal and non coastal children at Jepara district in 2012.