2008
DOI: 10.1007/s10103-008-0563-1
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Water flow on erbium:yttrium–aluminum–garnet laser irradiation: effects on dental tissues

Abstract: Since lasers were introduced in dentistry, there has been considerable advancement in technology. Several wavelengths have been investigated as substitutes for high-speed air turbine. Owing to its high absorbability in water and hydroxyapatite, the erbium:yttrium-aluminum-garnet (Er:YAG) laser has been of great interest among dental practitioners and scientists. In spite of its great potential for hard tissue ablation, Er:YAG laser effectiveness and safety is directly related to an adequate setting of the work… Show more

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Cited by 53 publications
(42 citation statements)
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“…However, water spray is not only responsible for a heat sink, but also cleans the site of irradiation, increases ablation rate and efficiency, and facilitates the ablation process. [68][69][70] Depending on the applied laser wavelength, tissue components like water or collagen are thoroughly heated very shortly after onset of laser irradiation. This "overheating" process happens extremely fast and provokes a high pressure build-up in the irradiated tissue volume due to the phase transition of water.…”
mentioning
confidence: 99%
“…However, water spray is not only responsible for a heat sink, but also cleans the site of irradiation, increases ablation rate and efficiency, and facilitates the ablation process. [68][69][70] Depending on the applied laser wavelength, tissue components like water or collagen are thoroughly heated very shortly after onset of laser irradiation. This "overheating" process happens extremely fast and provokes a high pressure build-up in the irradiated tissue volume due to the phase transition of water.…”
mentioning
confidence: 99%
“…Por sua vez o laser de Er:YAG tem como característica principal causar a ablação da dentina peritubular e intertubular, expondo os túbulos dentinários (COLUCCI et al, 2008;EBIHARA et al, 2002;SCHOOP et al, 2002;TAKEDA et al, 1998c); por isto a escolha deste tipo de fazer se justifica quando se pensa que um número maior de túbulos dentinários abertos, melhor seria a penetração dos cimentos no interior dos mesmos, fazendo assim a melhoria do embricamento. FRANSEN et al, 2008MUNOZ et al, 2007SHIPPER et al, 2004;TORABINEJAD, UNG e KETTERING, 1990;CHOW;NISSAN, 1995;YUCEL et al; ao longo da obturação dos canais radiculares.…”
Section: Discussionunclassified
“…Ao contrário do laser acima citado, este laser é absorvido pela água e hidroxiapatita. Sua irradiação causa a ablação da dentina peritubular e intertubular, expondo os túbulos dentinários (COLUCCI et al, 2008;EBIHARA et al, 2002;SCHOOP et al, 2002;TAKEDA et al, 1998).…”
Section: Uso Da Irradiação a Laser Em Endodontiaunclassified
“…Assim, a quantidade de energia absorvida depende do coeficiente de absorção de cada molécula do tecido (Armengol et al, 1999;Yamada et al, 2004;Esteves-Oliveira, 2007;Colucci et al, 2009).…”
Section: O Mecanismo De Adesão Dos Adesivos Autocondicionantes (Ou Seunclassified
“…A irrigação constante com água é de grande importância para aumentar a eficiência da ablação, reduzir a temperatura e prevenir efeitos térmicos na polpa durante a irradiação (Burkes et al, 1992;Armengol et al 1999;Geraldo-Martins et al, 2005;Colucci et al, 2009). Vários estudos (Visuri et al, 1996a;Hadley et al, 2000;Hossain et al, 2002;Botta et al, 2009;Promklay et al, 2010) mostram que a irradiação com os lasers de érbio (Er:YAG e Er,Cr:YSGG), com adequada refrigeração e com os parâmetros indicados para o tratamento dos tecidos duros, não provocam aquecimento, carbonização, desidratação e nem respostas inflamatórias na polpa dental, sendo seguros para uso clínico.…”
Section: O Mecanismo De Adesão Dos Adesivos Autocondicionantes (Ou Seunclassified