Shear bond stress of composite bonded to excimer laser treated dentin
Source abstract
Abstract
The aim of this work was to study the bond strength of resin composite bonded to dentin surfaces treated with KrF excimer laser radiation, untreated surfaces, and acid-etched surfaces using a single-plane shear method. Dentin specimens cut from freshly extracted permanent molar teeth were subjected to laser treatment with a KrF excimer laser (248 nm) using a fluence of 1 J/cm2. The bond strength was greater for acid-etched specimens than for laser treated or untreated specimens. 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.
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Research context
OpenAlex topics: Dental materials and restorations · Laser Applications in Dentistry and Medicine · Dental Erosion and Treatment
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Depto. Engenharia Materiais, Instituto Superior Técnico, Universidade Técnica Lisboa, Av. Rovisco Pais n. 1, 1049-001 Lisboa, Portugal
Faculdade Medicina Dentária, Universidade Lisboa, Cidade Universitária, 1648-003 Lisboa, Portugal
References (26)
Show source-provided references
1. Clinical challenges and the relevance of materials testing for posterior composite restorations10.1016/j.dental.2004.10.001 ↗
2. The dentin substrate: structure and properties related to bonding10.1016/S0300-5712(96)00065-6 ↗
3. The promotion of adhesion by the infiltration of monomers into tooth substrates10.1002/jbm.820160307 ↗
4. shear-strength of composite bonded to laser pretreated dentin10.1016/0022-3913(88)90348-4 ↗
5. Shear strength of composite bonded to Er:YAG laser-prepared dentin10.1177/00220345960750011401 ↗
6. Analysis of surface roughness of enamel and dentin after Er,Cr:YSGG laser irradiation10.1089/104454701753342749 ↗
7. Differences in bonding to acid-etched or Er:YAG-laser-treated enamel and dentin surfaces10.1067/mpr.2000.108600 ↗
8. Bonding to Er:YAG laser-treated dentin10.1177/154405910208100207 ↗
9. Nd:YAG laser influence on tensile bond strength of self-etching adhesive systems10.1089/clm.2000.18.253 ↗
10. Adhesion of Er:YAG laser-irradiated dentin and composite resins: application of various treatments on irradiated surface10.1002/lsm.10043 ↗
11. Effect of Nd:YAG laser irradiation on shear bond strength of glass-lonomer luting cement to dentin surface
12. Selective targeting of protein, water, and mineral in dentin using UV and IR pulse lasers: the effect on the bond strength to composite restorative materials10.1002/lsm.20102 ↗
13. Resin bond strength and micromorphology of human teeth prepared with an Erbium:YAG laser
14. Resin bonding to dentin irradiated by high repetition rate Er:YAG laser10.1089/pho.2006.24.397 ↗
15. Influence of Er:YAG laser irradiation distance on the bond strength of a restorative system to enamel10.1016/j.jdent.2005.06.009 ↗
16. Bond Strength of Self-Etching Primer to Bur Cut, Er,Cr:YSGG, and Er:YAG Lased Dental Surfaces10.1089/pho.2007.2044 ↗
17. Tensile bond strength of Er,Cr:YSGG laser-irradiated human dentin and analysis of dentin-resin interface10.1016/j.dental.2006.03.016 ↗
18. Micro-shear bond strength of Er:YAG-laser-treated dentin10.1007/s10103-006-0434-6 ↗
19. Bond strength of an adhesive system irradiated with Nd: YAG laser in dentin treated with Er: YAG laser10.1002/lapl.200710089 ↗
20. ArF excimer laser irradiation of human dentin10.1002/(SICI)1096-9101(1997)21:5<474::AID-LSM9>3.0.CO;2-N ↗
21. Surface characterization of KrF laser processed dentin10.1016/j.biomaterials.2005.03.047 ↗
22. Influence of tubule orientation on cone-shaped texture development in laser-ablated dentin10.1007/s10103-006-0391-0 ↗
23. A mathematical description of surface texture development in laser-ablated dentin10.1063/1.2369633 ↗
24. 1999 · 75
25. Comparison between Er:YAG laser and conventional technique for root caries treatment in vitro10.1177/00220345980770060501 ↗
26. Shear bond strength and SEM evaluation of composite bonded to Er:YAG laser-prepared dentin and enamel10.1016/j.dental.2004.11.003 ↗