Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical study
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.8/8394 |
Resumo: | Objectives: To assess the effect of a CAD-CAM protocol fabrication on the clinical fit accuracy of removable partial denture metal frameworks to abutment teeth. Methods: Fifteen patients with partial edentulism were selected to participate in this clinical study, and twenty dental arch rehabilitations were planned. For each dental arch (n=20), two cobalt-chromium frameworks were produced through two protocols: CAD-CAM production (experimental group); and conventional lost-wax casting technique (control group). Clinical fit accuracy was assessed using an indirect quantitative method to evaluate the gap between the framework occlusal rest and the corresponding rest seat. A silicone mold of that gap was obtained, digitized, and analyzed by micro-computed tomography. The two silicone molds obtained for each occlusal rest were overlapped and evaluated for thickness and volume. Data were analyzed with the paired t test for silicone thickness results and the Wilcoxon test for silicone volume results (α= 0.05). Results: Considering the two dependent variables under study, no statistically significant (p=0.441 for silicone thickness and p=0.204 for silicone volume) differences were found between groups. Conclusions: The results of this study suggest that the CAD-CAM protocol applied is a viable method for the production of removable partial denture metal frameworks. |
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Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical studyAdaptação de esqueletos metálicos de próteses parciais removíveis produzidos por CAD-CAM – estudo clínicoObjectives: To assess the effect of a CAD-CAM protocol fabrication on the clinical fit accuracy of removable partial denture metal frameworks to abutment teeth. Methods: Fifteen patients with partial edentulism were selected to participate in this clinical study, and twenty dental arch rehabilitations were planned. For each dental arch (n=20), two cobalt-chromium frameworks were produced through two protocols: CAD-CAM production (experimental group); and conventional lost-wax casting technique (control group). Clinical fit accuracy was assessed using an indirect quantitative method to evaluate the gap between the framework occlusal rest and the corresponding rest seat. A silicone mold of that gap was obtained, digitized, and analyzed by micro-computed tomography. The two silicone molds obtained for each occlusal rest were overlapped and evaluated for thickness and volume. Data were analyzed with the paired t test for silicone thickness results and the Wilcoxon test for silicone volume results (α= 0.05). Results: Considering the two dependent variables under study, no statistically significant (p=0.441 for silicone thickness and p=0.204 for silicone volume) differences were found between groups. Conclusions: The results of this study suggest that the CAD-CAM protocol applied is a viable method for the production of removable partial denture metal frameworks.SPEMDIC-OnlineConceição, Pedro R.Franco, Margarida CabritaAlves, NunoPortugal, JaimeNeves, Cristina B.2023-04-17T14:07:41Z2021-12-232021-12-23T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.8/8394eng1646-289010.24873/j.rpemd.2021.12.851info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-01-17T15:57:14Zoai:iconline.ipleiria.pt:10400.8/8394Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T01:51:07.769556Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical study Adaptação de esqueletos metálicos de próteses parciais removíveis produzidos por CAD-CAM – estudo clínico |
title |
Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical study |
spellingShingle |
Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical study Conceição, Pedro R. |
title_short |
Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical study |
title_full |
Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical study |
title_fullStr |
Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical study |
title_full_unstemmed |
Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical study |
title_sort |
Fit accuracy of removable partial denture metal frameworks produced by CAD-CAM – a clinical study |
author |
Conceição, Pedro R. |
author_facet |
Conceição, Pedro R. Franco, Margarida Cabrita Alves, Nuno Portugal, Jaime Neves, Cristina B. |
author_role |
author |
author2 |
Franco, Margarida Cabrita Alves, Nuno Portugal, Jaime Neves, Cristina B. |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
IC-Online |
dc.contributor.author.fl_str_mv |
Conceição, Pedro R. Franco, Margarida Cabrita Alves, Nuno Portugal, Jaime Neves, Cristina B. |
description |
Objectives: To assess the effect of a CAD-CAM protocol fabrication on the clinical fit accuracy of removable partial denture metal frameworks to abutment teeth. Methods: Fifteen patients with partial edentulism were selected to participate in this clinical study, and twenty dental arch rehabilitations were planned. For each dental arch (n=20), two cobalt-chromium frameworks were produced through two protocols: CAD-CAM production (experimental group); and conventional lost-wax casting technique (control group). Clinical fit accuracy was assessed using an indirect quantitative method to evaluate the gap between the framework occlusal rest and the corresponding rest seat. A silicone mold of that gap was obtained, digitized, and analyzed by micro-computed tomography. The two silicone molds obtained for each occlusal rest were overlapped and evaluated for thickness and volume. Data were analyzed with the paired t test for silicone thickness results and the Wilcoxon test for silicone volume results (α= 0.05). Results: Considering the two dependent variables under study, no statistically significant (p=0.441 for silicone thickness and p=0.204 for silicone volume) differences were found between groups. Conclusions: The results of this study suggest that the CAD-CAM protocol applied is a viable method for the production of removable partial denture metal frameworks. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-12-23 2021-12-23T00:00:00Z 2023-04-17T14:07:41Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.8/8394 |
url |
http://hdl.handle.net/10400.8/8394 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
1646-2890 10.24873/j.rpemd.2021.12.851 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
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SPEMD |
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SPEMD |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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