Occlusal traits in developmental dyslexia: a preliminary study

Letizia Perillo,1 Maria Esposito,2 Mariarosaria Contiello,1 Alessandra Lucchese,3 Annamaria Chiara Santini,2 Marco Carotenuto2 1Department of Orthodontics, Second University of Naples, Naples, 2Clinic of Child and Adolescent Neuropsychiatry, Department of Mental Health, Physical and Preventive Medic...

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Autores principales:	Perillo L, Esposito M, Contiello M, Lucchese A, Santini AC, Carotenuto M
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2013
Materias:	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/6d13be272f5140a68341e56e846441d0
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spelling	oai:doaj.org-article:6d13be272f5140a68341e56e846441d02021-12-02T08:42:04ZOcclusal traits in developmental dyslexia: a preliminary study1176-63281178-2021https://doaj.org/article/6d13be272f5140a68341e56e846441d02013-08-01T00:00:00Zhttp://www.dovepress.com/occlusal-traits-in-developmental-dyslexia-a-preliminary-study-a14136https://doaj.org/toc/1176-6328https://doaj.org/toc/1178-2021Letizia Perillo,1 Maria Esposito,2 Mariarosaria Contiello,1 Alessandra Lucchese,3 Annamaria Chiara Santini,2 Marco Carotenuto2 1Department of Orthodontics, Second University of Naples, Naples, 2Clinic of Child and Adolescent Neuropsychiatry, Department of Mental Health, Physical and Preventive Medicine, Second University of Naples, Naples, 3Department of Orthodontics, University of Ferrara, Ferrara, Italy Aim: The objective of the study reported here was to assess the orthodontic features in children affected by developmental dyslexia (DD). Patients and methods: A total of 28 children affected by DD (22 boys, six girls; mean age: 9.78 ± 1.69 years) were compared with 51 healthy children (38 boys, 13 girls; mean age 9.41 ± 1.48; range 7–10 years). Reading and writing skills were evaluated along with orthodontic features. Results: The DD and control groups were not significantly different in terms of total intelligence quotient (P = 0.441) and writing skills (P = 0.805 and P = 0.240, respectively), whereas significant differences were observed between the DD group and control group in both word reading (2.018 ± 1.714 vs 0.917 ± 0.563; P = 0.000) and non-word reading (2.537 ± 1.543 vs 0.862 ± 0.244; P = 0.000). Moreover, for many orthodontic features, there was no significant difference between the two groups; only in prevalence of diastemas (57.14%, P = 0.006), midline diastemas (46.42%, P = 0.007), overbite >4 mm (71.42%, P = 0.006) and overjet >4 mm (53.57%, P = 0.001), was there a statistically significant difference. According to univariate logistic regression analysis, the presence of diastemas (odds ratio [OR] 4.33; 95% confidence interval [CI] 1.61–11.65), midline diastemas (OR 4.68; 95% CI 1.61–13.43), an overbite >4 mm (OR 1.75; 95% CI 0.64–4.71), or an overjet >4 mm (OR 2.76; 95% CI 1.06–7.20) seems to play a role in the relationship between occlusal abnormalities and DD in children. Conclusion: Children with DD tend to present with altered dental features, particularly in the area of the incisors, suggesting that a persistently different tongue kinematic profile may thus affect both the developmental variability of the tongue and lip and the occlusion. Keywords: malocclusion, orthodontic features, learning disorder, kinematic profilePerillo LEsposito MContiello MLucchese ASantini ACCarotenuto MDove Medical PressarticleNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol 2013, Iss default, Pp 1231-1237 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
spellingShingle	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 Perillo L Esposito M Contiello M Lucchese A Santini AC Carotenuto M Occlusal traits in developmental dyslexia: a preliminary study
description	Letizia Perillo,1 Maria Esposito,2 Mariarosaria Contiello,1 Alessandra Lucchese,3 Annamaria Chiara Santini,2 Marco Carotenuto2 1Department of Orthodontics, Second University of Naples, Naples, 2Clinic of Child and Adolescent Neuropsychiatry, Department of Mental Health, Physical and Preventive Medicine, Second University of Naples, Naples, 3Department of Orthodontics, University of Ferrara, Ferrara, Italy Aim: The objective of the study reported here was to assess the orthodontic features in children affected by developmental dyslexia (DD). Patients and methods: A total of 28 children affected by DD (22 boys, six girls; mean age: 9.78 ± 1.69 years) were compared with 51 healthy children (38 boys, 13 girls; mean age 9.41 ± 1.48; range 7–10 years). Reading and writing skills were evaluated along with orthodontic features. Results: The DD and control groups were not significantly different in terms of total intelligence quotient (P = 0.441) and writing skills (P = 0.805 and P = 0.240, respectively), whereas significant differences were observed between the DD group and control group in both word reading (2.018 ± 1.714 vs 0.917 ± 0.563; P = 0.000) and non-word reading (2.537 ± 1.543 vs 0.862 ± 0.244; P = 0.000). Moreover, for many orthodontic features, there was no significant difference between the two groups; only in prevalence of diastemas (57.14%, P = 0.006), midline diastemas (46.42%, P = 0.007), overbite >4 mm (71.42%, P = 0.006) and overjet >4 mm (53.57%, P = 0.001), was there a statistically significant difference. According to univariate logistic regression analysis, the presence of diastemas (odds ratio [OR] 4.33; 95% confidence interval [CI] 1.61–11.65), midline diastemas (OR 4.68; 95% CI 1.61–13.43), an overbite >4 mm (OR 1.75; 95% CI 0.64–4.71), or an overjet >4 mm (OR 2.76; 95% CI 1.06–7.20) seems to play a role in the relationship between occlusal abnormalities and DD in children. Conclusion: Children with DD tend to present with altered dental features, particularly in the area of the incisors, suggesting that a persistently different tongue kinematic profile may thus affect both the developmental variability of the tongue and lip and the occlusion. Keywords: malocclusion, orthodontic features, learning disorder, kinematic profile
format	article
author	Perillo L Esposito M Contiello M Lucchese A Santini AC Carotenuto M
author_facet	Perillo L Esposito M Contiello M Lucchese A Santini AC Carotenuto M
author_sort	Perillo L
title	Occlusal traits in developmental dyslexia: a preliminary study
title_short	Occlusal traits in developmental dyslexia: a preliminary study
title_full	Occlusal traits in developmental dyslexia: a preliminary study
title_fullStr	Occlusal traits in developmental dyslexia: a preliminary study
title_full_unstemmed	Occlusal traits in developmental dyslexia: a preliminary study
title_sort	occlusal traits in developmental dyslexia: a preliminary study
publisher	Dove Medical Press
publishDate	2013
url	https://doaj.org/article/6d13be272f5140a68341e56e846441d0
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Occlusal traits in developmental dyslexia: a preliminary study

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