Effectiveness of early orthodontic treatment with the twin-block appliance: A multicenter, randomized, controlled trial. Part 1: Dental and skeletal effectsKevin O’Brien, Ian Shaw, Jean L. Wright et al.|American Journal of Orthodontics and Dentofacial Orthopedics|2003Cited by 374
Effectiveness of treatment for class II malocclusion with the herbst or twin-block appliances: a randomized, controlled trialKevin O’Brien, Ian Shaw, Yeweng San-jie et al.|American Journal of Orthodontics and Dentofacial Orthopedics|2003Cited by 275
Effectiveness of early orthodontic treatment with the twin-block appliance: a multicenter, randomized, controlled trial. Part 2: psychosocial effectsKevin O’Brien, Nancy W. Berk, Jean L. Wright et al.|American Journal of Orthodontics and Dentofacial Orthopedics|2003Cited by 191
Early treatment for Class II Division 1 malocclusion with the Twin-block appliance: A multi-center, randomized, controlled trialKevin O’Brien, Helen V Worthington, Jean L. Wright et al.|American Journal of Orthodontics and Dentofacial Orthopedics|2009Cited by 169
The child perception questionnaire is valid for malocclusions in the United KingdomKevin O’Brien, Nicky Mandall, Jean L. Wright et al.|American Journal of Orthodontics and Dentofacial Orthopedics|2006Cited by 137