The effect of polymerization mode on monomer conversion, free radical entrapment, and interaction with hydroxyapatite of commercial self-adhesive cements

Journal of the Mechanical Behavior of Biomedical Materials
Paulo Henrique Perlatti D'AlpinoCarlos Frederico de Oliveira Graeff

Abstract

This study evaluated the degree of conversion, the free radical entrapment, and the chemical interaction of self-adhesive resin cements mixed with pure hydroxyapatite, as a function of the polymerization activation mode among a variety of commercial self-adhesive cements. Four cements (Embrace WetBond, MaxCem Elite, Bifix SE, and RelyX U200) were mixed, combined with hydroxyapatite, dispensed into molds, and distributed into three groups, according to polymerization protocols: IP (photoactivation for 40s); DP (delayed photoactivation, 10 min self-curing plus 40s light-activated); and CA (chemical activation, no light exposure). Infrared (IR) spectra were obtained and monomer conversion (%) was calculated by comparing the aliphatic-to-aromatic IR absorption peak ratio before and after polymerization (n=10). The free radical entrapment values of the resin cements were characterized using Electron Paramagnetic Resonance (EPR) and the concentration of spins (number of spins/mass) calculated (n=3). Values were compared using two-way ANOVA and Tukey's post-hoc test (α=5%). X-ray diffraction (XRD) characterized the crystallinity of hydroxyapatite as a function of the chemical interactions with the resin cements. The tested parameters ...Continue Reading

References

Oct 1, 1990·Dental Materials : Official Publication of the Academy of Dental Materials·F A RueggebergC W Fairhurst
Jan 1, 1986·Journal of Biomedical Materials Research·J L Ferracane, E H Greener
Feb 1, 1993·Journal of Dental Research·B Van MeerbeekG VanHerle
Jun 23, 2000·Dental Materials : Official Publication of the Academy of Dental Materials·W D CookA A Goodwin
Jul 6, 2002·Dental Materials : Official Publication of the Academy of Dental Materials·Rolf H HalvorsonCarel L Davidson
Dec 18, 2002·Journal of Oral Rehabilitation·D Truffier-BoutryG Leloup
Oct 27, 2004·Dental Materials : Official Publication of the Academy of Dental Materials·Jan De MunckBart Van Meerbeek
Jan 18, 2005·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·A D NevesM I Yoshida
Dec 21, 2005·Dental Materials : Official Publication of the Academy of Dental Materials·Hans U V GerthEdgar Schäfer
May 30, 2007·Dental Clinics of North America·Thiago A PegoraroRicardo M Carvalho
Jul 16, 2008·Brazilian Oral Research·Veridiana CamilottiJoão Carlos Gomes
May 12, 2009·Dental Materials : Official Publication of the Academy of Dental Materials·Areti D VrochariKarl-Thomas Wrbas
Jun 9, 2009·Acta Biomaterialia·Julian LeprinceGaetane Leloup
Aug 25, 2009·Journal of Dentistry·Renan BelliUlrich Lohbauer
Nov 3, 2009·Journal of Prosthodontic Research·Takashi NakamuraHirofumi Yatani
Apr 13, 2010·Dental Materials : Official Publication of the Academy of Dental Materials·Sónia G PereiraRicardo Marins Carvalho
Nov 3, 2011·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Ricardo Rodrigues VazMario Fernando de Goes
Dec 30, 2011·Dental Materials : Official Publication of the Academy of Dental Materials·Vinicius Di HipólitoPaulo Henrique Perlatti D'Alpino
Feb 2, 2013·Dental Materials Journal·Nádia da Rocha SvizeroPaulo Henrique Perlatti D'Alpino
May 13, 2014·Journal of the Mechanical Behavior of Biomedical Materials·Paulo Henrique Perlatti D'AlpinoCarlos Frederico de Oliveira Graeff

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Citations

Apr 18, 2016·The Journal of Prosthetic Dentistry·Bruno DalepraneCláudia S Magalhães
Nov 5, 2016·Journal of Applied Oral Science : Revista FOB·Ana Paula Ribeiro do Vale PedreiraFernanda Cristina Pimentel Garcia
Mar 29, 2019·Microscopy Research and Technique·Camila C LorenzettiMilton C Kuga
Nov 2, 2018·Dental Materials Journal·Abdul Samad Khan, Mariam Raza Syed
Jun 6, 2019·Brazilian Dental Journal·Guillermo GrazioliRafael Ratto De Moraes
Mar 3, 2020·Dental Materials Journal·Marcelo Henrick Maia MatochekPaulo Henrique Perlatti D'Alpino
Mar 3, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Ricardo Carrillo-CottoEliseu A Münchow
May 22, 2017·Dental Materials : Official Publication of the Academy of Dental Materials·Carla M Ramos-TonelloAna Flávia S Borges
Jul 9, 2020·Dental Materials : Official Publication of the Academy of Dental Materials·André L Faria-E-Silva, Carmem S Pfeifer

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