Age estimation using the radiographic visibility of the periodontal ligament in lower third molars in a Portuguese population.

Bibliographic reference: 

Dourado-Sequeira C., Teixeira A., Caldas I., Afonso A., & Pérez-Mongiovi D. (2014). Age estimation using the radiographic visibility of the periodontal ligament in lower third molars in a Portuguese population. J Clin Exp Dent., 6(5):e546-50