Purpose: With the increased demand for orthodontic treatments in adults, Diastemas have always been an obstacle for either pre or post orthodontic treatment. The purpose of the present investigation is to identify the...
This study was supported by a grant from National Natural Science Foundation of China (No. 30271429). Er-li-tou Working Team under the Institute of Archeology of Chinese Academy of Social Sciences and the Research Center of Frontier Archeology of Jilin University provided the samples and materials used in this study.
Background The prevalence of malocclusion in modern population is higher than that in the excavated samples from the ancient times.Presently,the prevalence of juvenile malocclusion in the early stage of permanent teet...
The dentary diastema of iguanodontians has been considered to be related to its unique jaw mechanism for herbivorous adaptation. The dentary and diastema lengths of iguanodontians were measured and compared to elucida...