Occlusal traits in developmental dyslexia: A preliminary study

Letizia Perillo, Maria Esposito, Mariarosaria Contiello, Alessandra Lucchese, Annamaria Chiara Santini, Marco Carotenuto

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)1231-1237
Number of pages7
JournalNeuropsychiatric Disease and Treatment
Volume9
DOIs
Publication statusPublished - Aug 23 2013

Fingerprint

Dyslexia
Diastema
Orthodontics
Odds Ratio
Confidence Intervals
Overbite
Reading
Tongue
Control Groups
Incisor
Lip
Intelligence
Biomechanical Phenomena
Tooth
Logistic Models
Regression Analysis

Keywords

  • Kinematic profile
  • Learning disorder
  • Malocclusion
  • Orthodontic features

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

Perillo, L., Esposito, M., Contiello, M., Lucchese, A., Santini, A. C., & Carotenuto, M. (2013). Occlusal traits in developmental dyslexia: A preliminary study. Neuropsychiatric Disease and Treatment, 9, 1231-1237. https://doi.org/10.2147/NDT.S49985

Occlusal traits in developmental dyslexia : A preliminary study. / Perillo, Letizia; Esposito, Maria; Contiello, Mariarosaria; Lucchese, Alessandra; Santini, Annamaria Chiara; Carotenuto, Marco.

In: Neuropsychiatric Disease and Treatment, Vol. 9, 23.08.2013, p. 1231-1237.

Research output: Contribution to journalArticle

Perillo, L, Esposito, M, Contiello, M, Lucchese, A, Santini, AC & Carotenuto, M 2013, 'Occlusal traits in developmental dyslexia: A preliminary study', Neuropsychiatric Disease and Treatment, vol. 9, pp. 1231-1237. https://doi.org/10.2147/NDT.S49985
Perillo, Letizia ; Esposito, Maria ; Contiello, Mariarosaria ; Lucchese, Alessandra ; Santini, Annamaria Chiara ; Carotenuto, Marco. / Occlusal traits in developmental dyslexia : A preliminary study. In: Neuropsychiatric Disease and Treatment. 2013 ; Vol. 9. pp. 1231-1237.
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abstract = "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.",
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