Publicación: Comparación de las medidas de Kim, Legan (tejidos duros), Epker y Fish, y Wits en el diagnóstico de la relación esquelética sagital y vertical en radiografías de pacientes atendidos en la clínica de ortodoncia de la Universidad Cooperativa de Colombia, sede Bogotá
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The aim of this study was to compare the sagittal and vertical skeletal pattern by means of Kim, Legan (hard tissues), Epker and Fish and Wits measurements analysis in radiographs of patients who started treatment in the clinics of the University Cooperativa de Colombia in the orthodontic clinics in 2017 -2018, in order to evaluate the agreement between diagnostics of divergence and skeletal Class. Method: Quantitative, Descriptive - Comparative Study of 60 standardized digital lateral radiographs were analyzed with the Dolphin Imagine® program. Results: as for the vertical diagnosis The concordance between the three methods for the diagnosis of facial divergence according to the omega concordance coefficient was moderate.In the detection of hypodivergenc e the 3 methods do not agree, Kim's method was the one that detected more cases n = 12 (20%), of which Legan detected only 3 and Epker-Fish detected. In the vertical diagnosis, Class I skeletal, the greater part was diagnosed by hard Legan n = 32 (53.3%), unlike the analysis of Wits that only dignostico n = 19 (31.6%) patients in this condition; Skeletal class II, the analysis of Epker and Fish identified n = 35 (58.3%), as far as Kim was diagnosed n = 14 (23.3%) class II patients, finally class III was found that the cephalometric analyzes of Kim n = 19 (31.6%) and Wits n = 20 (33.3%) were able to identify a similar number of cases; unlike the cephalometric analyzes of Legan Duros, Epker and Fish that did not identify any case of Class III skeletal. Conclusions: The 4 methods of cephalometric diagnosis with the parameters used in the sagittal analysis present low, or very low concordance; since Legan only detected 3 cases as hypodivergents and Kim detected 12 cases. For the vertical diagnosis to distinguish class II and III gave moderate values of agreement, less than 0.75 which is acceptable. Key words: Cephalometry, Sagittal and vertical discrepancy, Skeletal malocclusion.