International Journal of Clinical Pediatric Dentistry

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VOLUME 10 , ISSUE 1 ( January-March, 2017 ) > List of Articles

Original Article

Evaluation of Masticatory Stimulation Effect on the Maxillary Transversal Growth in Ectodermal Dysplasia Children

Mona G Nahass, Ayman Mourad

Keywords : Ectodermal dysplasia, Growth, Maxillary suture

Citation Information : Nahass MG, Mourad A. Evaluation of Masticatory Stimulation Effect on the Maxillary Transversal Growth in Ectodermal Dysplasia Children. Int J Clin Pediatr Dent 2017; 10 (1):55-61.

DOI: 10.5005/jp-journals-10005-1408

License: CC BY-NC 4.0

Published Online: 01-04-2009

Copyright Statement:  Copyright © 2017; The Author(s).


Aims: Severe oligodontia is one of the most important symptoms in children with hypohidrotic ectodermal dysplasia (HED). The growth of the maxilla is a key consideration in restoring their mouth. The aim of this study was to evaluate the transversal maxillary sutural growth, after passive masticatory stimulation, in HED children. We also thought to assess the efficiency and functional outcome of the proposed proprioceptive passive expansion (PPE) prosthetic device. Materials and methods: We studied 13 children (age 6–11 years) suffering from HED with severe oligodontia. Their maxilla was restored by a PPE device formed from two parts and joined by a passive slide system. Distance between the two parts was noted at the anterior and posterior regions at each control visit over an average of 23 months. We also conducted and filled a satisfaction questionnaire over the same period.   We tested the hypothesis that the posterior expansion is greater than the anterior expansion (one-tailed Student's t-test with p-value <0.05). Best-fit linear and quadratic models were used to explore the relationship between age, duration of observation, and the rate of growth. Results: The average opening of the device was 2.27 mm in the anterior region and 2.96 mm in the posterior region. The questionnaire response was positive for all children. There are no significant linear or quadratic relationships between the data at the 5% significance level. The posterior expansion is greater than the anterior expansion at the 5% significance level (p-value 0.000394). Limitations: Further studies are mandatory to assess the reliability of our particular intervention and treatment modalities for these cases. Conclusion: The PPE device, we propose, assures function and esthetics in the long- term. It enhances stimulation by a passive way that leads to physiological growth of the palatal suture. Clinical significance: Using this PPE device to restore the maxilla in children with HED promotes physiological growth. The passive nature of this prosthesis helps by eliminating the need for any changes or replacement over time.

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