Chewing side preference in children with cleft palate: concordance of three methods


  • Olga Patricia López-Soto Universidad Autónoma de Manizales
  • Lina María López-Soto Universidad Autónoma de Manizales
  • Alejandro Osorio-Forero Universidad Autónoma de Manizales
  • Francia Restrepo-de Mejía Universidad Autónoma de Manizales


Cleft palate, Mastication, Surface electromyography


Introduction: the objective was to measure the concordance of three methods to determine chewing side preference in children with cleft palate. Materials and methods: The sample included 47 children with cleft palate and similar age and socioeconomic level. Methods: the test of Christensen & Radue (1985), the test of Paphangkorakit et al (2006) and surface electromyography (sEMG) were used. Comparisons among groups were made by non-parametric methods. Results: the method of Paphangkorakit et al (2006) did not show concordance with the preference measured by the Christensen & Radue method (1985) (Pearson’s χ2 = 0.96, p = 0,619; Kappa = ‒0.08, p = 0,475). The results showed that cleft type is not associated to chewing side preference measured by the method of Paphangkorakit et al (2006) (Pearson’s χ2 = 5.07; p = 0,281; Kappa = 0.07, p = 0,274) but by the method of Christensen & Radue (1985) (Pearson’s χ2 = 7.09; p = 0.029; weak Cramer’s V association = 0.39, p = 0.029; Kappa = 0.19, p = 0.009). Patients with right cleft palate differ from patients with bilateral cleft in terms of sEMG amplitude asymmetry while chewing (right: 7.3 ± 12.8; bilateral: ‒2.67 ± 6.61; U = 104; p = 0,038). Conclusion: no concordance was found between the two studied clinical methods to identify masticatory preference, nor between these and sEMG.

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Author Biographies

Olga Patricia López-Soto, Universidad Autónoma de Manizales

DMD, Specialist in Research and Higher Education. Oral Health Research Group (INSAO). Universidad Autónoma de Manizales, Colombia.

Lina María López-Soto, Universidad Autónoma de Manizales

Speech therapist, Myofunctional therapist. Oral Health Research Group (INSAO). Universidad Autónoma de Manizales, Colombia

Alejandro Osorio-Forero, Universidad Autónoma de Manizales

Biomedical Engineer. Neurolearning Research Group. Universidad Autónoma de Manizales, Colombia

Francia Restrepo-de Mejía, Universidad Autónoma de Manizales

Medical Physiatrist, Ph.D in Social Sciences, Childhood and Youth Studies. Neurolearning Research Group. Universidad Autónoma de Manizales, Colombia


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How to Cite

López-Soto, O. P., López-Soto, L. M., Osorio-Forero, A., & Restrepo-de Mejía, F. (2014). Chewing side preference in children with cleft palate: concordance of three methods. Revista Facultad De Odontología Universidad De Antioquia, 26(1), 89–105. Retrieved from

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