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.Aim: The aim of the present study was to investigate changes in the subgingival flora in adults with chronic periodontitis undergoing orthodontic fixed appliance therapy. Patients and Methods: In seven adult patients who had undergone nonantibiotic periodontal pretreatment, the subgingival bacteria were subjected to microbiological examination and the number of...
.Background: The incidence of allergies in general is on the increase. An allergic reaction can also occur during any dental and orthodontic treatment. However, the allergic potential of orthodontic appliances is frequently overestimated. Material and Method: The incidence of suspected allergic reactions during fixed appliance therapy in 68 orthodontic offices...
. During horizontal contact, the dental arch represents a link chain in which two convex articular surfaces are in contact and are tensioned by the dentogingival and dentoalveolar fibrous tissue. Joints composed of convex-convex surfaces are equivalent to stretched dimeric link chains whose links are in a mechanically unstable position under compression. Experiments on plaster models show that the...
.Aim: The aim of this study was to investigate the extent to which the anterior segment is at risk of developing disease under the influence of different types of anterior crowding and whether the degree of crowding correlates with a potential risk. Patients and Method: A clinical examination and cast analysis taking special account of the age and gender of 125 adult patients (63 women, 62...
.Background: Orofacial regulation therapy for children with Down’s syndrome was introduced to Europe in Munich in 1978. Since then, many clinical studies have provided scientific evidence that this therapeutic approach enhances the orofacial function and facial appearance of children with trisomy 21. Only few long-term results have been published to date. Patients and Results: In the present...
.Aim: The purpose of this study was to compare the torque deformation characteristics of seven commercially available plastic brackets, both amongst each other and with stainless steel brackets. Material and Methods: Ten brackets each of (1) pure polycarbonate, (2) ceramic reinforced polycarbonate, (3) fiberglass reinforced polycarbonate, (4) ceramic reinforced polycarbonate with metal slot,...
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