Abstract
Objectives: To compare the condylar, ramal, condylar-plus-ramal mandibular asymmetry of patients with ectodermal dysplasia and healthy control subjects with using cone beam computerized tomography (CBCT). Materials and methods: CBCT of 9 patients (4 girls, 5 boys) with ectodermal dysplasia and 10 healthy control subjects (5 girls and 5 boys) with normal occlusion were included to our study. Mandibular asymmetry index measurements (condylar, ramal, and condylar-plus-ramal) were made on the CBCT. The paired samples t-test was used to establish statistically significant differences between the sides for condylar, ramal and condylar-plus-ramal height measurements. Independent t test was used to determine possible statistically significant differences between the groups. Results: There was no statistically significant difference between the right and left sides in condylar, ramal and condylar-plus-ramal height measurements of the patients with ectodermal dysplasia and normal occlusion sample. There was no statistically significant difference between the groups in asymmetry index measurements. Conclusion: Patients with ectodermal dysplasia show similar condylar, ramal, condylar-plus-ramal measurements with healthy control subjects.
Highlights
Materials and methods: cone beam computerized tomography (CBCT) of 9 patients (4 girls, 5 boys) with ectodermal dysplasia and 10 healthy control subjects (5 girls and 5 boys) with normal occlusion were included to our study
Patients with ectodermal dysplasia show similar condylar, ramal, condylar-plus-ramal measurements with healthy control subjects
Ectodermal dysplasia (ED) is a large and complex group of disorders defined by the abnormal development of two or more structures derived from the ectodermal layer
Summary
Ectodermal dysplasia (ED) is a large and complex group of disorders defined by the abnormal development of two or more structures derived from the ectodermal layer. HED patients mostly exhibit hypotrichosis, hypohidrosis, and cranial abnormalities. Patients often exhibit a smaller than normal face because of frontal bossing, and a depressed nasal bridge. Oral traits may express themselves as anodontia, hypodontia, and conical teeth. Anodontia manifests itself by a lack of alveolar ridge development [1]. It has been proven that severe maxillary hypodontia in the permanent dentition, affects the cranial base and mandibular length in ED population [2]. In our study we decided to evaluate mandibular asymmetry due to hypodontia in ED patients (Figure 1)
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