Analisis Ukuran Lengkung Rahang Anak Usia 10-13 Tahun dan 14-16 Tahun di Wilayah Dataran Tinggi (Studi di Kecamatan Jelbuk Kabupaten Jember)

Abstract

The growth and development of the arch is influenced by genetics, race, and environment. Genetic factors are the important basic in growth and development while environmental factors in the form of geographical, socio-cultural and economic locations can interact with the genetic factors. This study aimed to analyze the size of the jaw arch of children aged 10-13 years and 14-16 years at the highland of Jelbuk District, Jember Regency. This was an analytical and observational study with a cross sectional design. Measurement of the jaw arch on the model was performed using the Raberin method. The results obtained 136 subjects consisting of 59 boys and 77 girls aged 10-16 years. All subjects were grouped into two age groups, 10-13 years and 14-16 years. The Mann-Whitney U test on the difference in jaw arch size between the ages of 10-13 years and 14-16 years showed that most of them had p-values of >0.05, which meant that there was no significant difference between the two age groups, except at L31 of mandibular male. In conclusion, there is no significant difference in the size of the jaw arch of children aged 10-13 years and 14-16 years at the highland of Jelbuk District, Jember Regency