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- Title
The application of a new clear removable appliance with an occlusal splint in early anterior crossbite.
- Authors
Zhang, Jiayu; Yang, Yuzhi; Han, Xue; Lan, Tingting; Bi, Fei; Qiao, Xiangchen; Guo, Weihua
- Abstract
Background: The effectiveness of anterior crossbite treatment in preschool-aged children depends on the treatment design and patient compliance. Common early treatment appliances with steel wires and acrylic resin can bring about numerous problems, such as toothache, sore gums and mucous membrane injury. The aim of this study was to propose a new clear removable appliance to provide preschool-age children with an improved experience of early occlusal interference treatment. Methods: Appliances were designed with the help of 3-dimensional (3D) digital reconstruction oral models and fabricated using 3D printing technology and the pressed film method. Then, the mechanical properties of the original dental coping sheet and thermoformed aligners were assessed in a simulated intraoral environment. Preschool-age participants who displayed anterior crossbite were recruited in this study. Records (photographs and impressions) were taken before the treatment (T1), during the treatment (T2) and at the end of the treatment (T3). The effects of treatment were evaluated by clinical examination and questionnaires. Results: Normal degrees of overbite and overjet in the primary dentition were achieved using this new appliance. Dental and soft tissue relationships were improved. Questionnaires showed that the safety evaluation, degree of comfort and convenience grades of the appliance were all relatively high. Conclusion: This explorative study demonstrates that our new clear removable appliance is able to correct early-stage anterior crossbite in a safe, comfortable, convenient and efficient way. Thus, it is a promising method to correct a certain type of malocclusion, and its clinical use should be promoted in the future.
- Subjects
TREATMENT of malocclusion; DENTAL casting; DENTURES; HUMAN comfort; MEDICAL records; ORTHODONTIC appliances; CORRECTIVE orthodontics; PATIENT satisfaction; PATIENT safety; PHOTOGRAPHY; PROSTHETICS; QUESTIONNAIRES; RESEARCH; PERIODONTAL splints; TREATMENT effectiveness; EARLY medical intervention; THREE-dimensional printing; ACQUISITION of data methodology; EVALUATION; CHILDREN
- Publication
BMC Oral Health, 2021, Vol 21, Issue 1, p1
- ISSN
1472-6831
- Publication type
Article
- DOI
10.1186/s12903-021-01393-7