1991
DOI: 10.1089/clm.1991.9.215
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Acid Resistance of Lased Human Enamel with Erbium:YAG Laser

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Cited by 25 publications
(34 citation statements)
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“…Nevertheless, the modification of organic matter has been reported as one of the mechanisms in laser-induced caries prevention (the organic blocking theory) . In laser therapy, several factors related to exposure need to be considered: the wavelength and energy density of the laser, the irradiation time, the focal distance, and water cooling www.intechopen.com Morioka, et al, 1991;Fried, et al, 1996;Featherstone, et al, 1998;Hossain, et al, 2000;Young, et al, 2000;Hsu, et al, 2000;Tisai, et al, 2002;Kato, et al, 2003;Matson, et al, 2002;Apel, et al, 2002Apel, et al, , 2004Apel, et al, , 2005Rodrigues, et al, 2004;Westerman, et al, 2002;Nammour, et al, 2005Cecchini, et al, 2005Liu, et al, 2006;Fried, et al 2006;Castelan, et al, 2007). Furthermore, to achieve additional prevention, special attention has focused on laser irradiation, topical fluorides and remineralizing solution associations, showing very promising results (Hossain, et al, 2002;Delbem, et al, 2003;Chin-Ying, et al, 2004;Tepper et al, 2004;Rodrigues, et al, 2004;Kwon, et al, 2005;Ana, et al, 2006;Westerman, 2006;Tagliaferro et al, 2007).…”
Section: Laser and Caries Preventionmentioning
confidence: 99%
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“…Nevertheless, the modification of organic matter has been reported as one of the mechanisms in laser-induced caries prevention (the organic blocking theory) . In laser therapy, several factors related to exposure need to be considered: the wavelength and energy density of the laser, the irradiation time, the focal distance, and water cooling www.intechopen.com Morioka, et al, 1991;Fried, et al, 1996;Featherstone, et al, 1998;Hossain, et al, 2000;Young, et al, 2000;Hsu, et al, 2000;Tisai, et al, 2002;Kato, et al, 2003;Matson, et al, 2002;Apel, et al, 2002Apel, et al, , 2004Apel, et al, , 2005Rodrigues, et al, 2004;Westerman, et al, 2002;Nammour, et al, 2005Cecchini, et al, 2005Liu, et al, 2006;Fried, et al 2006;Castelan, et al, 2007). Furthermore, to achieve additional prevention, special attention has focused on laser irradiation, topical fluorides and remineralizing solution associations, showing very promising results (Hossain, et al, 2002;Delbem, et al, 2003;Chin-Ying, et al, 2004;Tepper et al, 2004;Rodrigues, et al, 2004;Kwon, et al, 2005;Ana, et al, 2006;Westerman, 2006;Tagliaferro et al, 2007).…”
Section: Laser and Caries Preventionmentioning
confidence: 99%
“…Although this laser was introduced into dentistry for the ablation of dental hard tissue , an early report (Kayano, et al, 1989) suggested an increase in acid resistance of the enamel adjacent to the ablated area. Later, several in vitro studies (Morioka, et al, 1991;Fried, et al, 1996;Hossain, et al, 2000;Cecchini, et al, 2005;Castelan, et al, 2007) on smooth dental enamel surfaces reported that Er:YAG irradiation promotes caries prevention as well as morphological enamel changes (Matson, et al, 2002;Cecchini, et al, 2005;Apel et al, 2005;). Furthermore, it was reported that both effects depend on the energy density of the laser, among other parameters, including irradiation time, focal distance, and water cooling (Morioka, et al, 1991;Fried, et al, 1996;Hossain, et al, 2000;Young, et al, 2000;Matson, et al, 2002;Apel, et al;Cecchini, et al, 2005;Liu, et al, 2006;Castelan, et al, 2007).…”
Section: Er:yag Lasermentioning
confidence: 99%
“…Os lasers de alta potência apresentam efeitos térmicos que podem promover alterações morfológicas na estrutura dental, como redução da permeabilidade, fusão e ressolidificação, criação de microespaços na estrutura mineral do dente (MORIOKA; TAGOMORI; OHO, 1991;MORIOKA, 1989), bem como alterações químicas que podem estar relacionadas com o aumento da resistência ácida do esmalte (FEATHERSTONE, 2000b;KURODA, 1986;FREITAS et al, 2008;HOSSAIN et al, 1999a;HOSSAIN et al, 1999b), sendo observadas alterações nas características cristalográficas dos cristais de hidroxiapatita, redução do conteúdo de carbonato (CO 3 ), conversão do fosfato (HPO 4 2-) em pirofosfato(P 2 O 7 4-), aumento da concentração de íons hidroxila (OH-), decomposição protéica resultando na redução da solubilidade mineral, ressolidificação, crescimento dos cristais e formação de novos compostos cristalinos (CECCHINI et al, 2005;HSU et al, 1994). Observa-se que à medida que a irradiação com os lasers de alta potência é realizada, alterações físico-químicas acontecem gradualmente com o aumento da temperatura (BEVILACQUA et al, 2008;CASTELLAN et al, 2007;LIU;LIU;STEPHEN, 2006 KURODA, 1986).…”
Section: Lasers De Alta Potênciaunclassified
“…Diversos estudos in vitro e in situ têm sido realizados e demonstraram a eficácia deste laser no aumento da resistência do esmalte ao desafio ácido (APEL et al, 2004;APEL et al, 2005;CECCHINI et al, 2005;CHIMELLO et al, 2008;HOSSAIN et al, 2000;OHO, 1991) (CECCHINI et al, 2005;HOSSAIN et al, 2000), foi demonstrado que a irradiação com laser de Er:YAG utilizando parâmetros para prevenção, com ou sem jato de água, é eficaz.…”
unclassified
“…As alterações morfológicas descritas em esmalte dental irradiado e com menor solubilidade em meio ácido correspondem aos aspectos de derretimento e resolidificação da superfície (TAGOMORI; MORIOKA, 1989;OHO, 1991;HOSSAIN et al, 2001). Para tanto, uma temperatura superior a 1200°C é necessária (FOWLER; KURODA, 1986;FRIED et al, 1996).…”
unclassified