Citation: K. Birkeland et al., EVALUATION OF TREATMENT AND POSTTREATMENT CHANGES BY THE PAR INDEX, European journal of orthodontics, 19(3), 1997, pp. 279-288
Citation: B. Johannsdottir et al., PREVALENCE OF MALOCCLUSION IN 6-YEAR-OLD ICELANDIC CHILDREN - A STUDYUSING PLASTER MODELS AND ORTHOPANTOMOGRAMS, Acta Odontologica Scandinavica, 55(6), 1997, pp. 398-402
Citation: K. Birkeland et al., ORTHODONTIC CONCERN AMONG 11-YEAR-OLD CHILDREN AND THEIR PARENTS COMPARED WITH ORTHODONTIC TREATMENT NEED ASSESSED BY INDEX OF ORTHODONTIC TREATMENT NEED, American journal of orthodontics and dentofacial orthopedics, 110(2), 1996, pp. 197-205
Citation: K. Birkeland et al., ORTHODONTIC TREATMENT OUTCOME AND RELAPSE DETERMINED BY 2 INDEXES, Journal of dental research, 75(5), 1996, pp. 1299-1299