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Abstrak :
Prevelansi penduduk Indonesia yang tidak mendapatkan angka kebutuhan kalsium yang cukup pada masa tumbuh kembang masih relatif tinggi. Anak usia sekolah dan remaja khususnya adalah yang berisiko tinggi pada keadaan ini. Penyebabnya tidak hanya dikarenakan latar belakang status ekonomi mereka saja, namun juga dikarenakan kekurangan informasi mengenai betapa pentingnya mengkonsumsi kalsium di kehidupan sehari-hari. Penelitian ini dilakukan bertujuan untuk mengetahui pengaruh edukasi nutrisi terhadap pengetahuan kalsium pada murid-murid di sebuah pesantren di Jakarta Timur, tahun 2011. Metode penelitian ini menggunakan pre-post intervention design. Sebanyak 67 murid berusia remaja berpartisipasi di dalam penelitian ini, dibagi menjadi dua kategori yaitu 34 murid laki-laki dan 33 murid perempuan. Data diperoleh dengan mengisi kuesioner yang dibagikan sebelum edukasi dan setelah penyampaian edukasi (pretest dan posttest). Hasil penelitian yang diperoleh menggunakan SPSS version 21 dan data dianalisa menggunakan McNemar test dan Wilcoxon test menunjukan bahwa tidak terdapat hubungan yang signifikan antara edukasi yang telah diberikan dengan nilai posttest. Hasil McNemar test menunjukan tidak signifikan (p = 0.304) dan Wilcoxon test juga menunjukan hasil yang insignifikan (p = 0.379). ......The prevalence of Indonesian population who do not get proper calcium intake during their growth and development period is high, in which school-aged children and adolescence are at greatest risk for this condition. Not only due to their economical background, but also it may be caused by their insufficiency of information regarding the importance of calcium consumption in daily lives. This research aims to evaluate the effect of nutritional education towards the calcium knowledge among pesantren student located in East Jakarta, in the year of 2011. The research method that is used is the pre-post intervention design. Approximately 67 students were divided into two categories, male and female students (34 male students & 33 female students) were given two questionnaires before the nutritional education (pre-test) and after the education (post-test). The results from the examination were processed by using SPSS version 21, then the data were analyzed using McNemar study and Wilcoxon test. From the results, we can conclude that there is no significant difference between the score of pre-test and post-test. McNemar study shows no significant relationship (p = 0.304), and Wilcoxon test also shows not significant results (p = 0.379).

Abstrak :
Dental black stain merupakan diskolorisasi gigi berupa garis pigmen hitam atau kumpulan titik hitam pada sepertiga servikal mahkota gigi. Plak pada gigi dengan dental black stain memiliki kadar kalsium dan fosfat yang lebih tinggi jika dibandingkan dengan plak pada gigi tanpa dental black stain. Komposisi kalsium dan fosfat pada saliva dicurigai merupakan penyebab tingginya kadar kalsium dan fosfat plak pada gigi dengan dental black stain. Penelitian ini bertujuan untuk mengetahui perbedaan kadar kalsium dan fosfat pada saliva anak dengan dental black stain dengan saliva anak tanpa dental black stain. Subjek penelitian berusia 4-8 tahun, sebanyak 30 anak yang terdiri dari 15 anak dengan dental black stain dan 15 anak tanpa dental black stain. Pengukuran kadar kalsium dan fosfat dilakukan dengan metode Spektrofotometri UV-Vis. Hasil penelitian menunjukkan bahwa kadar kalsium dan fosfat pada saliva anak dengan dental black stain lebih tinggi secara bermakna jika dibandingkan dengan saliva anak tanpa dental black stain. ......Dental black stain is discoloration of the teeth which appears as black pigmented line or collection of black dots on the cervical third of the tooth crown. Plaque on tooth with dental black stain has calcium and phosphate concentrations that were higher when compared to plaque on tooth without dental black stain. Calcium and phosphate composition in saliva suspected as the cause of calcium and phosphate level elevation in dental black staion plaque. This study aims to determine the level diffrence of calcium and phosphate in the saliva of children with dental black stain and without dental black stain. The subjects were children aged 4-8 years, as many as 30 children which consist of 15 children with dental black stain and 15 children without dental black stain. The samples were calcium and phosphate levels which obtained from children’s saliva. The levels of calcium and phosphate were measured using UV-Vis spectrophotometer. The results showed that the levels of calcium and phosphate in the saliva of children with dental black stain were significantly higher when compared to the one without dental black stain.