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Abstrak :
Evaluation of individual maturity status takes an important role in selecting of the orthodontic treatment plans, especially for the growing age patient. This is mostly related to use of functional appliances and surgical approaches in some cases of skeletal discrepancy. Previous researches have demonstrated the significant correlation between the mandible length and the cervical vertebrae maturation in Deutero-Malay group. The significant correlation between the cervical vertebrae and the middle phalanx maturity, and the dental calcification within group of Deutero-malay has been proven. Objective: To confirm the correlation between the mandible length and the dental calcification. Methods: This way an observational research with a cross sectional design, done on 160 Deutero-malay subjects, aged 8-16 years. The length of mandible was measured from Condylion to Gnathion, and the dental calcification was evaluated by Demirjian method. Result: of Spearman nonparametric correlation (r=0.713), the second premolar (r=0.753), and the second molar (r=0.772). The result of Multiple Classification Analysis showed that the highest correlation to the mandible length was the second molar calcification (B=0.495).

Abstrak :
Latar belakang : Prakiraan usia penting untuk identifikasi individu dalam kasus seperti human trafficking atau perebutanwali anak pada rentang 16-21 tahun. Tujuan : Menguji rumus metode TCI-Benindra dibandingkan dengan metode lainnya. Metode penelitian : Prakiraan usia 16-21 tahun dilakukan dengan rumus Tooth Coronal Index (TCI)-Benindra kemudian dibandingkan dengan metode Kvaal dan Schour dan Massler. Hasil : Prakiraan usia dengan rumus metode TCI-Benindra berbeda bermakna dengan metode Kvaal (p<0,05)dan tidak berbeda bermakna dengan metode Schour dan Massler (p>0,05). Kesimpulan : Tidak terdapat perbedaan prakiraan usia dengan rumus metode TCI-Benindra dan Schour dan Massler, tetapi terdapat perbedaan pada metode Kvaal.

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Background : Age estimation is important foridentification in human trafficking or struggle for the rights of heirsjusticecases in 16 - 21 years. Aims : TCI-Benindra`s formula method compared with Kvaal and Schour and Massler methods. Methodology : Age estimation is performed by TCI(Tooth Coronal Index)-Benindra`s formula then compared with Kvaal and Schour and Massler methods. Result : TCI-Benindra`s formula has a significant difference with Kvaal method(p<0,05) and no significant difference with Schour and Massler method (p>0.05). Conclusion: TCI-Benindra`s formula and Schour and Massler methods are close to real age, but significant difference shows in Kvaal method.

Abstrak :
Latar belakang : Dilatarbelakangi risiko pemalsuan usia rentang 16 - 21 tahun seperti pada kasus perdagangan manusia, maka metode identifikasi usia menjadi penting. Tujuan : Menguji keakuratan rumus metode TCI-Benindra dibandingkan dengan metode lainnya. Metode penelitian: Prakiraan usia dilakukan menggunakan rumus Tooth Coronal Index (TCI)-Benindra pada gigi P1 rahang bawah, dibandingkan dengan metode Al-Qahtani dan Blenkin-Taylor. Hasil : Tidak terdapat perbedaan bermakna (p>0,05) antara prakiraan usia menggunakan metode TCI-Benindra dengan metode Al-Qahtani dan metode Blenkin-Taylor. Kesimpulan : Rumus metode TCI-Benindra, metode Al-Qahtani dan metode Blenkin-Taylor ketiganya mendekati usia sebenarnya pada rentang 16-21 tahun. ...... Background : Due to the risk for age manipulation in 16-21 years old such as in cases of human trafficking, age estimation method becomes imperative. Aims : to test the accuracy of TCI-Benindra formula method compared with other methods. Methodology : Age estimation is performed using TCI-Benindra formula method in mandibular first premolar, was compared with Al-Qahtani and Blenkin-Taylor methods. Result : There was no significant difference (p>0.05) between age estimation using TCI-Benindra formula method and Al-Qahtani or Blenkin-Taylor methods. Conclusion : TCI-Benindra formula, Al-Qahtani and Blenkin-Taylor methods are close to real age in range of 16-21 years.

Abstrak :
The purpose of this study was to investigate the patterns of third molar agenesis and incidence of agenesis of other permanent teeth in a Japanese orthodontic patient group. A total of 417 Japanese subjects (134 males and 283 females) with agenesis of one or more third molars were divided into four groups according to the agenesis pattern, and 874 other Japanese subjects (302 males and 572 females) without third molar agenesis were assigned to a control group. Panoramic radiographs and medical and dental records were used to examine for tooth agenesis. The Chi-square test and odds ratio were used to make statistical comparisons. The prevalence of third molar agenesis worked out at 32.3 % with no statistically significant gender difference. A high prevalence rate of agenesis of third molars, unilateral or bilateral, could be considered characteristic of the Japanese orthodontic population. Significant increases in occurrence of oligodontia, and unilateral or bilateral agenesis of other teeth, including maxillary lateral incisors and maxillary and mandibular second premolars, were observed in all or almost all of the third molar agenesis groups, compared with the controls. A significantly increased prevalence rate of mandibular lateral incisor agenesis was observed in almost all of the third molar agenesis groups. The Japanese patients with third molar agenesis had a significantly increased occurrence of oligodontia, and unilateral or bilateral agenesis of maxillary and mandibular lateral incisors and second premolars, except for bilateral agenesis of mandibular lateral incisors.

Abstrak :
"Researchers have long had an interest in dental morphology as a genetic proxy to reconstruct population history. Much interest was fostered by the use of standard plaques and associated descriptions that comprise the Arizona State University Dental Anthropology System, developed by Christy G. Turner, II and students. This system has served as the foundation for hundreds of anthropological studies for over 30 years. In recognition of that success, this volume brings together some of the world's leading dental morphologists to expand upon the concepts and methods presented in the popular The Anthropology of Modern Human Teeth (Cambridge University Press, 1997), leading the reader from method to applied research. After a preparatory section on the current knowledge of heritability and gene expression, a series of case studies demonstrate the utility of dental morphological study in both fossil and more recent populations (and individuals), from local to global scales."--Publisher's website.

Abstrak :
Summary: This book critically reviews theory, assumptions, methods and literature to examine the unique role of teeth in preserving records of human growth.