1. Age variation of formation stages for Ten permanent teeth;Moorrees;J Dent Res,1963
2. Tooth formation age estimated on a few selected teeth. A simple method for clinical use;Haavikko;Proc Finn Dent Soc,1974
3. A new system of dental age assessment;Demirjian;Hum Biol,1973
4. New systems of dental maturity based on seven and four teeth;Demirjian;Ann Hum Biol,1976
5. Studies of two different methods for dental age estimation in Croatian children;Borcic;Acta Stomatol Croat,2006