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Study on bonding strength of TF adhesive compounded with nanograde hydroxyapatite / 生物医学工程学杂志
Journal of Biomedical Engineering ; (6): 285-287, 2003.
Artigo em Chinês | WPRIM | ID: wpr-311054
ABSTRACT
TF no-mix orthodontic adhesive was compounded in different weight proportion of nanograde hydroxyapatite as 10%, 20% and 30%, for use in this comparative study on composites. 80 orthodontic brackets were cemented and divided into 8 experimental groups, and TF adhesive was set as the control group. The tensile strength and shear strength were tested respectively. The results showed that the group of 10% nanograde hydroxyapatite obtained the greatest bonding strength (9.668 +/- 1.0649 MPa in tensile strength and 11.991 +/- 1.4135 MPa in shear strength), and there was significant difference between the 10% group and the other groups (P < 0.05, one-way ANAOV). It is concluded that the bonding strength can be enhanced when TF adhesive is compounded in suitable proportion of nanograde hydroxyapatitie.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Tamanho da Partícula / Resistência à Tração / Técnicas In Vitro / Química / Colagem Dentária / Durapatita / Cimentos Dentários Limite: Animais Idioma: Chinês Revista: Journal of Biomedical Engineering Ano de publicação: 2003 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Tamanho da Partícula / Resistência à Tração / Técnicas In Vitro / Química / Colagem Dentária / Durapatita / Cimentos Dentários Limite: Animais Idioma: Chinês Revista: Journal of Biomedical Engineering Ano de publicação: 2003 Tipo de documento: Artigo