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Sealing ability of cements in root canals prepared for intraradicular posts
Nakamura, Dirce Haruko; Garcia, Roberto Brandão; Bramante, Clóvis Monteiro; Moraes, Ivaldo Gomes de; Bernadineli, Norberti.
  • Nakamura, Dirce Haruko; University of São Paulo. Bauru Dental School. Bauru. BR
  • Garcia, Roberto Brandão; University of São Paulo. Bauru Dental School. Bauru. BR
  • Bramante, Clóvis Monteiro; University of São Paulo. Bauru Dental School. Bauru. BR
  • Moraes, Ivaldo Gomes de; University of São Paulo. Bauru Dental School. Bauru. BR
  • Bernadineli, Norberti; University of São Paulo. Bauru Dental School. Bauru. BR
J. appl. oral sci ; 14(4): 224-227, July-Aug. 2006. graf, tab
Article in English | LILACS, BBO | ID: lil-447824
ABSTRACT
This research evaluated the sealer ability of 2 temporary filling materials (white Cimpat and IRM) and 1 restorative cement (glass ionomer), in canals prepared for root posts. Sixty human palatal roots of maxillary first molars were used. They were divided into 3 groups, according to the cements used Group I (Cimpat), Group II (IRM) and Group III (glass ionomer). The roots were rendered impermeable, filled with the respective cements and soon after immersed into 0.2 percent Rhodamine B dye and maintained for 72 hours in an oven for 37°C. Microleakage was measured with a light microscope, cutting the roots longitudinally in buccolingual direction. The results showed that Group I presented significantly more leakage than Groups II and III, which were not significantly different from each other.
RESUMO
Esta pesquisa avaliou a capacidade seladora de dois cimentos temporários (Cimpat branco e IRM) e um cimento restaurador em canais preparados para pinos intra-radiculares. Foram usadas 60 raízes palatinas de primeiros molares superiores humanos. Elas foram divididas em 3 grupos, conforme os cimentos usados grupo I (Cimpat), grupo II (IRM) e grupo III (ionômero de vidro). As raízes foram impermeabilizadas, preenchidas com os respectivos cimentos e em seguida imersas em tintura de Rhodamina B a 0,2 por cento e mantidas por 72 horas em uma estufa a 37°C. A micro infiltração foi mensurada com um microscópio de luz nas raízes cortadas longitudinalmente, na direção vestíbubo-lingual. Os resultados mostraram que o grupo I apresentou, de modo significante, mais infiltração do que os grupos II e III, enquanto que entre estes não houve diferença significante.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Root Canal Filling Materials / In Vitro Techniques / Dental Cements / Dental Leakage / Dental Pins Limits: Humans Language: English Journal: J. appl. oral sci Journal subject: Dentistry Year: 2006 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Root Canal Filling Materials / In Vitro Techniques / Dental Cements / Dental Leakage / Dental Pins Limits: Humans Language: English Journal: J. appl. oral sci Journal subject: Dentistry Year: 2006 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR