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Speech patterns in skeletal class I, II and III subjects/Articulacion de fones en individuos clase esqueletal I, II y III

Purpose: to determine the consonant phonemes articulation patterns in Chilean skeletal class I, II and III Spanish speakers and compare their phonetic differences. Methods: fifty-four skeletal class I, II and III subjects were selected, based on intraoral clinical examination and Ricketts cephalomet...

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Bibliographic Details
Published in:Revista CEFAC 2009-07, p.423
Main Authors: Villanueva, Pia, Moran, Daniel, Lizana, Maria Loreto, Palomino, Hernan M
Format: Article
Language:Spanish
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Summary:Purpose: to determine the consonant phonemes articulation patterns in Chilean skeletal class I, II and III Spanish speakers and compare their phonetic differences. Methods: fifty-four skeletal class I, II and III subjects were selected, based on intraoral clinical examination and Ricketts cephalometric analysis, constituting the study groups. A standardized phonoarticulatory test was applied to each patient to determine the modified phonemes and their compensatory patterns. Results: the findings indicate changes in articulation in all three groups. Significant differences were found in anterior and medium phonemes between skeletal class I and II and only in the anterior phonemes between skeletal class I and III. There were no significant differences between II and III skeletal groups. Qualitatively different modifications and compensations between skeletal classes are reported. Conclusion: different degree of modification in consonant phonemes articulation is shown in class II and III patients when compared to class I skeletal subjects. These differences are related to the skeletal patterns. KEYWORDS: Malocclusion, Angle Class I; Malocclusion, Angle Class II; Malocclusion, Angle Class III; Speech; Phonetics Objetivo: determinar los patrones de articulacion de fones consonanticos en sujetos de habla espanola chilena clases I, II y III esqueletal; comparar las diferencias foneticas que existan entre clases esqueletales. Metodos: se seleccionaron 54 individuos que cumplian con los criterios de inclusion determinados mediante un examen clinico intraoral y a traves del analisis de Ricketts, y se conformaron los grupos de estudio de pacientes clases esqueletales I, II y III. Se les realizo un examen fonoarticulatorio estandarizado para determinar los fones modificados y el patron articulatorio compensatorio realizado. Resultados: se observaron cambios en el punto de articulacion de fones consonanticos en las tres clases esqueletales, con diferencias significativas en los grupos de fones anteriores y medios entre pacientes clases I y II, solo en el grupo de los fones anteriores entre pacientes I y III. Entre pacientes clases II y III no se observaron diferencias significativas. Se reportan modificaciones y compensaciones cualitativamente distintas entre las clases esqueletales. Conclusiones: en relacion a pacientes clase I, los pacientes clase II o III, presentan distinto grado de modificacion en el punto de articulacion de fones consonanticos. Las diferencias ob
ISSN:1516-1846