NDLI: Reliability of Two Techniques for Measuring Condylar Asymmetry with X-Rays

Content Provider	Scientific Electronic Library Online (SciELO)
Author	Fuentes, R Engelke, W Bustos, L Oporto, G Borie, E Sandoval, P Garay, I Bizama, M Borquez, P
Abstract	Among structural alterations that can be a risk factor for temporomandibular joint disorder (TMD) is condylar asymmetry. In order to measure the condylar asymmetry index in panoramic x-rays quantitatively, two methods have been proposed: those of Habets and Kjellberg. The aim of this study was to determine whether the x-ray method of measuring condylar asymmetries in orthopantomographies presents a minor tendency to error due to slight displacements of the head in the horizontal plane. 30 patients between 18 and 25 years of age were assessed. Each of them underwent three panoramic x-rays in three different positions: orthoradial, and at 5 and 10 horizontal angles. Then the Habets and Kjellberg measurements were taken. Habets' technique did not show any statistically significant differences in the x-rays at 5° and 10° horizontal angles compared to the 0 angle. However, Kjellberg's technique showed statistically significant differences only at the 10° angle compared to the 0 angle. The 10° changes produced linear and ratio variations, but the indices did not vary. It was concluded that both methods provide acceptable clinical information within the limitations of these techniques to obtain data on condylar symmetries or asymmetries of the mandibular body or ramus.
Related Links	https://scielo.conicyt.cl/scielo.php?script=sci_abstract&pid=S0717-95022011000300005&lng=en&nrm=iso https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300005&lng=en&nrm=iso
Starting Page	694
Ending Page	701
Page Count	8
File Format	PDF
ISSN	07179502
DOI	10.4067/S0717-95022011000300005
Journal	International Journal of Morphology
Issue Number	3
Volume Number	29
Language	English
Publisher	Sociedad Chilena de Anatomía
Publisher Date	2011-09-01
Publisher Institution	Universidad de La Frontera Facultad de Medicina Departamento de Odontología Integral University of Göttingen Department of Maxillofacial Surgery Dentistry Centre Universidad de La Frontera Depto. de Salud Pública Investigación y Gestión para la Salud Basada en la Evidencia (CIGES)
Publisher Place	Chile Germany
Access Restriction	Open
Subject Keyword	Temporomandibular joint Mandibular condyle Temporomandibular joint disorders Facial asymmetry Articulación temporomandibular Cóndilo mandibular Trastornos temporomandibulares Asimetría facial
Alternative Title	Confiabilidad de Dos Técnicas de Medición de Asimetría Condilar con Método Radiográfico
Content Type	Text
Resource Type	Article
Subject	Anatomy

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