1. Diagnosis and treatment of transverse maxillary deficiency;Betts;Int J Adult Orthodon Orthognath Surg,1995
2. Arch perimeter changes on rapid palatal expansion;Adkins;Am J Orthod Dentofacial Orthop,1990
3. Maxillary transverse deficiency;McNamaraa;Am J Orthod Dentofacial Orthop,2000
4. Epidemiology of posterior crossbite in the primary dentition;Da Silva Filho;J Clin Pediatr Dent,2007
5. Prevalence and distribution of selected occlusal characteristics in the US population, 1988–1991;Brunelle;J Dent Res,1996