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The low strength of the bond to laser treated surfaces is probably due to a shift from a mixed to a cohesive rupture mechanism. It was concluded from this study that surface treatment of dentin surfaces with KrF excimer laser under the conditions described does not significantly improve the shear bond strength to composites.<\/jats:p>","DOI":"10.2351\/1.3184431","type":"journal-article","created":{"date-parts":[[2009,8,13]],"date-time":"2009-08-13T22:20:59Z","timestamp":1250202059000},"page":"129-132","update-policy":"http:\/\/dx.doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":1,"title":["Shear bond stress of composite bonded to excimer laser treated dentin"],"prefix":"10.2351","volume":"21","author":[{"given":"M.","family":"Sivakumar","sequence":"first","affiliation":[{"name":"Depto. Engenharia Materiais, Instituto Superior T\u00e9cnico, Universidade T\u00e9cnica Lisboa, Av. Rovisco Pais n. 1, 1049-001 Lisboa, Portugal"}]},{"given":"V","family":"Oliveira","sequence":"additional","affiliation":[{"name":"Depto. Engenharia Materiais, Instituto Superior T\u00e9cnico, Universidade T\u00e9cnica Lisboa, Av. Rovisco Pais n. 1, 1049-001 Lisboa, Portugal"}]},{"given":"R.","family":"Vilar","sequence":"additional","affiliation":[{"name":"Depto. Engenharia Materiais, Instituto Superior T\u00e9cnico, Universidade T\u00e9cnica Lisboa, Av. 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