Abstract
AimsSevere 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 propriocep-tive passive expansion (PPE) prosthetic device.Materials and methodsWe 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.ResultsThe 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).LimitationsFurther studies are mandatory to assess the reliability of our particular intervention and treatment modalities for these cases.ConclusionThe 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 significanceUsing 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.How to cite this articleSfeir E, 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.
Highlights
Ectodermal dysplasia (ED) is a hereditary genodermatosis characterized by a congenital defect of two ectodermal structures or more.[1]
Clinical significance: Using this proprioceptive passive expansion (PPE) device to restore the maxilla in children with hypohidrotic ectodermal dysplasia (HED) promotes physiological growth
We can say that masticatory stimulation is an important factor in the maxillary transversal growth, especially in severe oligodontia cases
Summary
Ectodermal dysplasia (ED) is a hereditary genodermatosis characterized by a congenital defect of two ectodermal structures or more.[1]. The HED is the most prevalent form, with a frequency of 1 in 100,000 births, and its main characterized symptoms are hypohidrosis, hypotrichosis, and severe hypodontia.[2] The literature describes a multitude of prosthetic treatments that enable functional, esthetic, and psychosocial rehabilitation of young patients with ED.[1,3,4] Expert opinion concerning the traditional removable prosthesis in very young patients (3–5 years old) is unanimous.[3,4,5,6] the oral rehabilitation of patients with partial or total prosthesis supported by the mucous membranes or the teeth (overdenture) is the most common and least expensive treatment modality.[5] during this period, the maxilla is growing. Several prosthetic options and follow-up have been proposed to support this growth.[8,9,10]
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