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Abstrak :
Indonesian Journal of Dentistry 2006; Edisi Khusus KPPIKG XIV: 134-138 One of the growth indicators that can be used to assess a child's developmental growth is through skeletal maturation. Skeletal maturity can be evaluated by using anatomical changes of the cervical vertebral bones observed on the lateral cephalometric radiographs. The purpose of this study was to determine the stage of cervical vertebrae maturation of Hb E B thalassemia patients by comparing the shape changes of the second to fourth cervical vertebrae bodies with a control group. The design of this study was a cross sectional. The subjects were children with Hb E B thalassemia aged 9-14 years. The results showed that the retarded maturation of the cervical vertebrae in Hb E B thalassemia was not found in subjects of pre-puberty age (9-11 years old), but in those of puberty age (12-14 years old).;One of the growth indicators that can be used to assess a child's developmental growth is through skeletal maturation. Skeletal maturity can be evaluated by using anatomical changes of the cervical vertebral bones observed on the lateral cephalometric radiographs. The purpose of this study was to determine the stage of cervical vertebrae maturation of Hb E B thalassemia patients by comparing the shape changes of the second to fourth cervical vertebrae bodies with a control group. The design of this study was a cross sectional. The subjects were children with Hb E B thalassemia aged 9-14 years. The results showed that the retarded maturation of the cervical vertebrae in Hb E B thalassemia was not found in subjects of pre-puberty age (9-11 years old), but in those of puberty age (12-14 years old).

Abstrak :
Penelitian ini merupakan penelitian potong lintang yang bertujuan untuk menganalisis korelasi antara cervical vertebral maturation dengan dimensi mandibula. Data berasal dari 90 radiograf sefalometri lateral (49 perempuan, 41 laki-laki), anak usia 8-16 tahun di Jakarta. Metode: menggunakan penilaian dan pengukuran visual radiograf sefalometri lateral, dimensi mandibula diukur berdasarkan panjang total mandibula (jarak dari titik condylon - gnathion), tinggi ramus mandibula (jarak dari titik condylon - gonion intersection), dan panjang corpus mandibula (jarak dari titik gnathion - gonion intersection), selama tahap maturasi skeletal vertebra servikalis (cervical stage 1 sampai cervical stage 6) yang dinilai dari badan kedua sampai badan keempat tulang vertebra servikalis. Korelasi antara cervical vertebral maturation dengan dimensi mandibula dianalisis menggunakan uji Spearman. Hasil: terdapat korelasi yang kuat dan signifikan (p < 0,05) antara cervical vertebral maturation tahap pubertas dengan panjang total mandibula (r = 0,663), antara cervical vertebral maturation tahap pubertas dengan tinggi ramus mandibula (r = 0,555), dan antara cervical vertebral maturation tahap pubertas dengan panjang corpus mandibula (r = 0,510). Terdapat korelasi yang sedang dan signifikan (p < 0,05) antara cervical vertebral maturation tahap prepubertas dengan panjang total mandibula (r = 0,453), antara cervical vertebral maturation tahap prepubertas dengan tinggi ramus mandibula (r = 0,395), dan antara cervical vertebral maturation tahap pascapubertas dengan panjang corpus mandibula (r = 0,374). Kesimpulan: terdapat korelasi antara cervical vertebral maturation dengan dimensi mandibula terutama pada tahap pubertas. Maturasi skeletal dapat digunakan untuk menilai pertumbuhan dan perkembangan mandibula, sebagai pertimbangan dalam mengoptimalisasi waktu perawatan ortopedik maksilofasial. ......This study is a cross-sectional and aims to analyze correlation between cervical vertebral maturation and mandibular dimensions from 90 lateral cephalometric radiograph (49 girls, 41 boys), aged 8-16 years in Jakarta. Methods: The method uses visual measurements of lateral cephalometric radiograph, mandibular dimensions were assessed from total mandibular length (range of condylon - gnathion line), ramus mandibular height (range of condylon - gonion intersection line), and corpus mandibular length (range of gonion intersection – gnathion line), during maturity stages of the cervical vertebral bone (cervical stage 1 to cervical stage 6) which assessed from second to fourth branches. Correlation between cervical vertebral maturation and mandibular dimensions were analyzed using Spearman method. Results: The results showed a significant (p < 0.05) and strong correlation between cervical vertebral maturation pubertal stage and total mandibular length (r = 0.663), between cervical vertebral maturation pubertal stage and ramus mandibular height (r = 0.555), and between cervical vertebral maturation pubertal stage and corpus mandibular length (r = 0.510). The results showed a significant (p < 0.05) and medium correlation between cervical vertebral maturation prepubertal stage and total mandibular length (r = 0.453), between cervical vertebral maturation prepubertal stage and ramus mandibular height (r = 0.395), and between cervical vertebral maturation post pubertal stage and corpus mandibular length (r = 0.374). Conclusion: The Correlation between cervical vertebral maturation and mandibular dimension is seen mainly in puberty stage. Skeletal maturity used to assess mandibular growth for optimization maxillofacial orthopaedic treatment timing.