Dental Materials
Volume 25, Issue 5 , Pages 566-572 , May 2009

Alternative photoinitiator system reduces the rate of stress development without compromising the final properties of the dental composite

  • Luis Felipe J. Schneider

      Affiliations

    • Dental School, The University of Passo Fundo, PO Box 611/613, Campus I, BR 285, Km 171, Passo Fundo, RS 99001-970, Brazil
    • Corresponding Author InformationCorresponding author. Tel.: +55 54 2103 5612; fax: +55 54 3316 8403.
  • ,
  • Simonides Consani

      Affiliations

    • Dental Materials Division, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil
  • ,
  • Ronald L. Sakaguchi

      Affiliations

    • Division of Biomaterials & Biomechanics, Oregon Health & Science University, Portland, OR, USA
  • ,
  • Jack L. Ferracane

      Affiliations

    • Division of Biomaterials & Biomechanics, Oregon Health & Science University, Portland, OR, USA

Received 12 March 2008 ,Revised 11 October 2008 ,Accepted 30 October 2008.

References 

  1. Braga RR, Ferracane JL. Alternatives in polymerization contraction stress management. Crit Rev Oral Biol Med. 2004;15:176–184
  2. Ferracane JL. Developing a more complete understanding of stresses produced in dental composites during polymerization. Dent Mater. 2005;21:36–42
  3. Peutzfeldt A. Resin composites in dentistry: the monomer systems. Eur J Oral Sci. 1997;105:97–116
  4. Dauvillier BS, Feilzer AJ, De Gee AJ, Davidson CL. Visco-elastic parameters of dental restorative materials during setting. J Dent Res. 2000;79:818–823
  5. Davidson CL, De Gee AJ. Relaxation of polymerization contraction stresses by flow in dental composites. J Dent Res. 1984;63:146–149
  6. Feilzer A, De Gee AJ, Davidson CL. Setting stress in composite resin in relation to configuration of the restoration. J Dent Res. 1987;66:1636–1639
  7. Miguel A, de la Macorra JC. A predictive formula of the contraction stress in restorative and luting materials attending to free and adhered surfaces, volume and deformation. Dent Mater. 2001;17:241–246
  8. Laughlin GA, Williams JL, Eick JD. The influence of system compliance and sample geometry on composite polymerization shrinkage stress. J Biomed Mater Res. 2002;63:671–678
  9. Watts DC, Marouf AS, Al-Hindi AM. Photo-polymerization shrinkage-stress kinetics in resin-composites: methods development. Dent Mater. 2003;19:1–11
  10. Lu H, Stansbury JW, Bowman CN. Towards the elucidation of shrinkage stress development and relaxation in dental composites. Dent Mater. 2004;20:979–986
  11. Watts DC. Reaction kinetics and mechanics in photo-polymerised networks. Dent Mater. 2005;21:27–35
  12. Bouschlicher MR, Rueggeberg FA, Boyer DB. Effect of stepped light intensity on polymerization force and conversion in a photoactivated composite. J Esthet Dent. 2000;12:23–32
  13. Cunha LG, Alonso RC, Pfeifer CS, Correr-Sobrinho L, Ferracane JL, Sinhoreti MA. Contraction stress and physical properties development of a resin-based composite irradiated using modulated curing methods at two C-factor levels. Dent Mater. 2008;24:392–398
  14. Sakaguchi RL, Berge HX. Reduced light energy density decreases post-gel contraction while maintaining degree of conversion in composites. J Dent. 1998;26:695–700
  15. Lim BS, Ferracane JL, Sakaguchi RL, Condon JR. Reduction of polymerization contraction stress for dental composites by two-step light-activation. Dent Mater. 2002;18:436–444
  16. Lu H, Stansbury JW, Bowman CN. Impact of curing protocol on conversion and shrinkage stress. J Dent Res. 2005;84:822–826
  17. Asmussen E, Peutzfeldt A. Influence of pulse-delay curing on softening of polymer structures. J Dent Res. 2001;80:1570–1573
  18. Neumann MG, Schmitt CC, Catalina F, Goi BE. The relation between the polymerization rates and swelling coefficients for copolymers obtained by photoinitiation. Polym Test. 2007;26:189–194
  19. Feng L, Suh BI. A mechanism on why slower polymerization of a dental composite produces lower contraction stress. J Biomed Mater Res Part B: Appl Biomater. 2006;78B:63–69
  20. Lovell LG, Lu H, Elliott JE, Stansbury JW, Bowman CN. The effect of cure rate on the mechanical properties of dental resins. Dent Mater. 2001;17:504–511
  21. Venhoven BA, de Gee AJ, Davidson CL. Light initiation of dental resins: dynamics of the polymerization. Biomaterials. 1996;17:2313–2318
  22. Braga RR, Ferrancane JL. Contraction stress related to degree of conversion and reaction kinetics. J Dent Res. 2002;81:114–118
  23. Park YJ, Chae KH, Rawls HR. Development of a new photoinitiation system for dental light-cure composite resins. Dent Mater. 1999;15:120–127
  24. Neumann MG, Schmitt CC, Ferreira GC, Correa IC. The initiating radical yields and the efficiency of polymerization for various dental photoinitiators excited by different light curing units. Dent Mater. 2006;22:576–584
  25. Asmussen E, Peutzfeldt A. Influence of composition on rate of polymerization contraction of light-curing resin composites. Acta Odontol Scand. 2002;60:146–150
  26. Emami N, Söderholm KJ. Influence of light-curing procedures and photo-initiator/co-initiator composition on the degree of conversion of light-curing resins. J Mater Sci: Mater Med. 2005;16:47–52
  27. Watts DC, Satterthwaite JD. Axial shrinkage-stress depends upon both C-factor and composite mass. Dent Mater. 2008;24:1–8
  28. Schneider LF, Pfeifer CS, Consani S, Prahl SA, Ferracane JL. Influence of photoinitiator type on the rate of polymerization, degree of conversion, hardness and yellowing of dental resin composites. Dent Mater. 2008;24:1169–1177
  29. Schroeder WF, Cook WD, Vallo CI. Photopolymerization of N,N-dimethylaminobenzyl alcohol as amine co-initiator for light-cured dental resins. Dent Mater. 2008;24:683–693
  30. Jakubiak J, Wrzyszczyński A, Linden LÅ, Rabek JF. The role of amines in the camphorquinone photoinitiated polymerization of multifunctional monomer. J Macromol Sci. 2007;44:239–242Part A
  31. Stansbury JW. Curing dental resins and composites by photopolymerization. J Esthet Dent. 2000;12:300–308
  32. Sun GJ, Chae KH. Properties of 2,3-butanedione and 1-phenyl-1,2-propanedione as a new photosensitzers for visible light cured dental resin composites. Polymer. 2000;41:6205–6212
  33. Schroeder W, Arenas G, Vallo C. Monomer conversion in a light-cured dental resin containing 1-phenyl-1,2-propanedione photosensitizer. Polym Int. 2007;56:1099–1105
  34. Schneider LF, Cavalcante LM, Consani S, Ferracane JL. Effect of co-initiator ratio on the polymer properties of experimental resin composites formulated with camphorquinone and phenyl-propanedione. Dent Mater. 2009;25:369–375
  35. Cook WD. Photopolymerization kinetics of dimethacrylates using the camphorquinone/amine initiator system. Polymer. 1992;33:600–609

PII: S0109-5641(08)00261-3

doi: 10.1016/j.dental.2008.10.007

Dental Materials
Volume 25, Issue 5 , Pages 566-572 , May 2009