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9. Cephalometric comparison of maxillary second molar extraction and nonextraction treatments in patients with Class II malocclusions. Waters D, Harris EF. Am J Orthod Dentofacial Orthop; 2001 Dec; 120(6):608-13; quiz 677. PubMed ID: 11742305 [Abstract] [Full Text] [Related]
10. Evaluation of changes in the vertical facial dimension with different anchorage systems in extraction and non-extraction subjects treated by Begg fixed appliances: a retrospective study. Alkumru P, Erdem D, Altug-Atac AT. Eur J Orthod; 2007 Oct; 29(5):508-16. PubMed ID: 17974541 [Abstract] [Full Text] [Related]
11. Vertical changes in class II division 1 malocclusion after premolar extractions. Al-Nimri KS. Angle Orthod; 2006 Jan; 76(1):52-8. PubMed ID: 16448269 [Abstract] [Full Text] [Related]
14. Prevalence of third molar impaction in orthodontic patients treated nonextraction and with extraction of 4 premolars. Kim TW, Artun J, Behbehani F, Artese F. Am J Orthod Dentofacial Orthop; 2003 Feb; 123(2):138-45. PubMed ID: 12594419 [Abstract] [Full Text] [Related]