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The influence of storage on dimensional changes in maxillary acrylic denture bases and the effect on tooth displacement.
Consani, Rafael Leonardo Xediek; Monteiro, Vanessa Lopes; Mesquita, Marcelo Ferraz; Consani, Simonides.
Afiliação
  • Consani RL; State University of Campinas, Piracicaba Dental School, SP, Brazil. rconsani@fop.unicamp.br
Eur J Prosthodont Restor Dent ; 19(3): 105-10, 2011 Sep.
Article em En | MEDLINE | ID: mdl-22645791
This study investigated the influence of both room temperature storage and water storage on tooth displacement in complete dentures. Thirty maxillary dentures were manufactured and processed using 3 different curing cycles; long, short conventional and microwaved. Distances between fixed points on teeth were measured and the dentures stored at room temperature for 24 weeks. After storage, the distances were measured again and the dentures then stored in water at 37 degrees C for 24 weeks, when the distances were re-evaluated. Anteroposterior distances demonstrated contraction in all acrylic resins. Incisor-incisor (air = -8.5% and water = -7.0%) and molar-molar (room = -1.8% and water = -1.1%) distance changes were greater in the Onda-Cryl resin (p < 0.05), whereas the premolar-premolar (room = -2.2% and water = -1.7%) distance was higher in the QC-20 resin (p < 0.05).
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Dente Artificial / Resinas Acrílicas / Materiais Dentários / Bases de Dentadura / Prótese Total Superior Tipo de estudo: Clinical_trials Limite: Humans Idioma: En Revista: Eur J Prosthodont Restor Dent Assunto da revista: ODONTOLOGIA Ano de publicação: 2011 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Dente Artificial / Resinas Acrílicas / Materiais Dentários / Bases de Dentadura / Prótese Total Superior Tipo de estudo: Clinical_trials Limite: Humans Idioma: En Revista: Eur J Prosthodont Restor Dent Assunto da revista: ODONTOLOGIA Ano de publicação: 2011 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido