Publicação
Comparative Analysis of Traditional Vacuum Thermoforming and 3D Printing for Aligner Fabrication
| Resumo: | Introduction: Orthodontic aligners are manufactured using the traditional technique, which includes printing models followed by photographic molding. A new technique has been invented - 3D printing directly - without printing the dental models and using a special resin (TC-85DAC) with shape memory properties. Objectives: Compare whether the innovative use of Graphy Inc material with shape-memory properties in 3D printing can surpass established norms in both the effectiveness of orthodontic aligners and their manufacturing process. Material and Methods: Articles were searched in PubMed, GoogleScholar and ScienceDirect using specific inclusion and exclusion criteria. This systematic review adheres to PRISMA checklist and has been registered in the international prospective register of systematic reviews (PROSPERO) under the registration number CRD420245414. Results: Of the 3718 articles obtained in a first search, 45 met the inclusion criteria after reading the title and abstract. After full reading, 28 were not relevant and 14 articles were included in this integrative systematic review. Discussion: 3D printed aligners offer superior geometric and dimensional precision compared to thermoformed aligners, allow for customization of thickness and cleaning method. The TC-85DAC resin provides shape memory advantages for directly printed aligners. Conclusion: While 3D printing shows promise, challenges remain. Benefits like consistent forces and improved strength are noted but concerns about biomechanics complexity and aligner thickness variations are raised. Advancements could lead to widespread adoption, pending further research to ensure reliability and effectiveness. |
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| Autores principais: | Ursat, Pauline Marie Mathilde |
| Assunto: | Orthodontic retainers Printing Three-Dimensional Thermoforming Orthodontics Aligners |
| Ano: | 2024 |
| País: | Portugal |
| Tipo de documento: | dissertação de mestrado |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Cooperativa de Ensino Superior Politécnico e Universitário |
| Idioma: | inglês |
| Origem: | Repositório CESPU |
| Resumo: | Introduction: Orthodontic aligners are manufactured using the traditional technique, which includes printing models followed by photographic molding. A new technique has been invented - 3D printing directly - without printing the dental models and using a special resin (TC-85DAC) with shape memory properties. Objectives: Compare whether the innovative use of Graphy Inc material with shape-memory properties in 3D printing can surpass established norms in both the effectiveness of orthodontic aligners and their manufacturing process. Material and Methods: Articles were searched in PubMed, GoogleScholar and ScienceDirect using specific inclusion and exclusion criteria. This systematic review adheres to PRISMA checklist and has been registered in the international prospective register of systematic reviews (PROSPERO) under the registration number CRD420245414. Results: Of the 3718 articles obtained in a first search, 45 met the inclusion criteria after reading the title and abstract. After full reading, 28 were not relevant and 14 articles were included in this integrative systematic review. Discussion: 3D printed aligners offer superior geometric and dimensional precision compared to thermoformed aligners, allow for customization of thickness and cleaning method. The TC-85DAC resin provides shape memory advantages for directly printed aligners. Conclusion: While 3D printing shows promise, challenges remain. Benefits like consistent forces and improved strength are noted but concerns about biomechanics complexity and aligner thickness variations are raised. Advancements could lead to widespread adoption, pending further research to ensure reliability and effectiveness. |
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