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dc.contributor.authorde Faria-Junior, Norberto Batista-
dc.contributor.authorTanoymaru-Filho, Mario-
dc.contributor.authorGuerreiro-Tanomaru, Juliane Maria-
dc.contributor.authorLeonardo, Renato de Toledo-
dc.contributor.authorCamargo Villela Berbert, Fabio Luiz-
dc.identifier.citationJournal of Endodontics. New York: Elsevier B.V., v. 35, n. 5, p. 741-744, 2009.-
dc.description.abstractRoot end cavity preparation techniques aim to create a clean and properly shaped cavity in a short time. Although the use of ultrasonics has been widely recommended, a laser can also be used. This study evaluated the time required and quality of retrograde cavity preparations using ultrasonics or ErCr:YSGG laser. Thirty single-rooted teeth were instrumented, root filled, submitted to apicectomies, and grouped. Root end cavities were prepared by using the following: group 1 (G1): CVD (6.1107-6) ultrasonic retrotips (CVD-Vale, Sao Jose dos Campos, Brazil); group 2 (G2): EMS (DT-060/Berutti) ultrasonic retrotips (EMS, LeSentier, Switzerland); and group 3 (G3): ErCr:YSGG (G6/Waterlase; Biolase Technology, San Clemente, CA) laser tips. The time taken to complete the preparation was recorded. Epoxy resin replicas of the root apices were examined under a scanning electron microscope. The parameters for evaluation were the presence of fractures, and the quality of the preparations. The Waterlase showed the highest mean time for preparation of the root end cavities (p < 0.05), and there was no significant difference between the CVD and EMS groups (p > 0.05). Fractures in the cavosurface angle occurred only in G2. G1 and G2 showed better scores for quality of preparation than G3 (p < 0.05). These results suggest that root end cavities should be prepared by ultrasonic tips. (J Endod 2009;35:741-744)en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectapical surgeryen
dc.subjectErCr:YSGG laseren
dc.subjectroot-end cavity preparationen
dc.titleEvaluation of Ultrasonic and ErCr:YSGG Laser Retrograde Cavity Preparationen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationSão Paulo State Univ, UNESP, Dept Restorat Dent, Araraquara Dent Sch, BR-14801903 Araraquara, SP, Brazil-
dc.description.affiliationUnespSão Paulo State Univ, UNESP, Dept Restorat Dent, Araraquara Dent Sch, BR-14801903 Araraquara, SP, Brazil-
dc.description.sponsorshipIdFAPESP: 07/01783-8-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Endodontics-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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