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Effect of the timing of radiation therapy on the push-out strength of resin cement to root dentine.
Cancelier, Patrícia da Agostim; Machado, Renata Gondo; Savaris, Júlia Menezes; Bortoluzzi, Eduardo Antunes; Teixeira, Cleonice da Silveira; Minamisako, Mariana Comparotto; Rodrigues, Paulo Marcelo; Netto, Vicente Ribeiro; Dutra-Horstmann, Kamile Leonardi; Garcia, Lucas da Fonseca Roberti.
Afiliação
  • Cancelier PDA; Department of Dentistry, Endodontics Division, Health Sciences Centre, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil.
  • Machado RG; Postgraduate Program in Dentistry, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil.
  • Savaris JM; Department of Dentistry, Endodontics Division, Health Sciences Centre, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil.
  • Bortoluzzi EA; Postgraduate Program in Dentistry, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil.
  • Teixeira CDS; Department of Diagnosis & Oral Health, Endodontics Division, University of Louisville, Louisville, Kentucky, USA.
  • Minamisako MC; Department of Dentistry, Endodontics Division, Health Sciences Centre, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil.
  • Rodrigues PM; Department of Radiotherapy, Oncology Research Centre (CEPON), Florianópolis, Santa Catarina, Brazil.
  • Netto VR; Department of Radiotherapy, Oncology Research Centre (CEPON), Florianópolis, Santa Catarina, Brazil.
  • Dutra-Horstmann KL; Department of Radiotherapy, Oncology Research Centre (CEPON), Florianópolis, Santa Catarina, Brazil.
  • Garcia LDFR; Department of Radiotherapy, Oncology Research Centre (CEPON), Florianópolis, Santa Catarina, Brazil.
Aust Endod J ; 49 Suppl 1: 122-131, 2023 Sep.
Article em En | MEDLINE | ID: mdl-36251405
This study investigated the effect of radiation timing on the bond strength of resin cement to intraradicular dentine. Fifty human teeth were distributed into 5 groups (n = 10): Control (nonirradiated teeth), Before-RCT (teeth irradiated before root canal treatment), After-CH (teeth irradiated after canal preparation and placement of calcium hydroxide intracanal dressing), After-RCT (teeth irradiated after completion of root canal treatment) and After-FPL (teeth irradiated after luting of a glass fibre post). Each tooth received 70 Gy irradiation. The roots were sectioned for push-out strength testing. After-RCT and After-FPL groups had significantly lower push-out strength than the control at the middle third (p < 0.05). Control and After-CH groups had a higher percentage of cohesive dentine failure. Radiotherapy after root canal obturation and post luting adversely affected the adhesiveness of resin cement to intraradicular dentine. Teeth irradiated before root canal treatment and after placement of calcium hydroxide had the best performance.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Técnica para Retentor Intrarradicular / Colagem Dentária Limite: Humans Idioma: En Revista: Aust Endod J Assunto da revista: ODONTOLOGIA Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Brasil País de publicação: Austrália
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Técnica para Retentor Intrarradicular / Colagem Dentária Limite: Humans Idioma: En Revista: Aust Endod J Assunto da revista: ODONTOLOGIA Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Brasil País de publicação: Austrália