1. The causes of irregularities of teeth;Robinson,1859
2. Evaluation of the third molar problem;Laskin;J Am Dent Assoc,1971
3. Changes in the maxillary and mandibular tooth size—arch length relationship from early adolescence to early adulthood;Bishara;Am J Orthod Dentofacial Orthop,1989
4. Changes in the dental arches and dentition between 25 and 45 years of age;Bishara;Angle Orthod,1996
5. Changes in crowding and spacing of the teeth with age;Lundström;Dent Pract,1968