[Konsumsi jus jeruk terus meningkat dengan kehadiran jus jeruk
dalam kemasan. Belum banyak penelitian yang dilakukan mengenai efek jus ini
dibanding jus jeruk segar terhadap gigi. Tujuan: Mengetahui perbedaan penurunan
pH plak setelah konsumsi jus jeruk kemasan dan jus jeruk segar. Metode: Subjek
diberikan 3 perlakuan: mengonsumsi jus jeruk kemasan, jus jeruk segar, jus lemon
segar. Nilai pH plak kemudian diukur setelah 1-30 menit Hasil: Terdapat
perbedaan bermakna penurunan nilai pH plak 1-10 menit setelah konsumsi jus
jeruk kemasan, jus jeruk segar, jus lemon segar Kesimpulan: Penurunan pH plak
setelah konsumsi jus jeruk kemasan lebih besar dibandingkan dengan jus jeruk
segar, Orange juice consumption has been increased with the presence of
commercially orange juice. There had been little study about the effect of this juice
compared to fresh fruit juice on human teeth. Objective: To know the difference of
pH dental plaque reduction, after consumption of commercially orange juice and
fresh orange juice Methods: Subjects were given three treatments: consuming
commercially orange juice, fresh orange juice, and fresh lemon juice. pH dental
plaque was measured after 1-30 minutes Results: The difference of pH dental
plaque reduction is statistically significant after 1-10 minutes consuming
commercially orange juice, fresh orange juice, fresh lemon juice. Conclusion: The
reduction of pH dental plaque was greater after consumption of commercially
orange juice than after fresh orange juice.]