Carmem Pfeifer

Associate Professor

  • 1727 Citations
  • 25 h-Index
20032021
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Research Output 2003 2019

  • 1727 Citations
  • 25 h-Index
  • 82 Article
  • 4 Review article
  • 1 Letter
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Article
2013
8 Citations (Scopus)

Flexural properties of resin composites: Influence of specimen dimensions and storage conditions

Calheiros, F. C., Pfeifer, C., Brandão, L. L., Agra, C. M. & Ballester, R. Y., 2013, In : Dental Materials Journal. 32, 2, p. 228-232 5 p.

Research output: Contribution to journalArticle

Composite Resins
Resins
Temperature
Composite materials
Analysis of variance (ANOVA)
31 Citations (Scopus)

Polymerization development of "low-shrink" resin composites: Reaction kinetics, polymerization stress and quality of network

Yamasaki, L. C., De Vito Moraes, A. G., Barros, M., Lewis, S., Francci, C., Stansbury, J. W. & Pfeifer, C., Sep 2013, In : Dental Materials. 29, 9

Research output: Contribution to journalArticle

Composite Resins
Reaction kinetics
Polymerization
Resins
Composite materials
24 Citations (Scopus)

Repair bond strength in aged methacrylate- and silorane-based composites.

Bacchi, A., Consani, R. L., Sinhoreti, M. A., Feitosa, V. P., Cavalcante, L. M., Pfeifer, C. & Schneider, L. F., Oct 2013, In : The journal of adhesive dentistry. 15, 5, p. 447-452 6 p.

Research output: Contribution to journalArticle

Silorane Resins
Methacrylates
Adhesives
Silanes
Tensile Strength
79 Citations (Scopus)

Sorption, solubility, shrinkage and mechanical properties of "low-shrinkage" commercial resin composites

Boaro, L. C., Gonçalves, F., Guimarães, T. C., Ferracane, J., Pfeifer, C. & Braga, R. R., Apr 2013, In : Dental Materials. 29, 4, p. 398-404 7 p.

Research output: Contribution to journalArticle

Composite Resins
Solubility
Sorption
Ethanol
Resins
2012
32 Citations (Scopus)

A new approach to network heterogeneity: Polymerization induced phase separation in photo-initiated, free-radical methacrylic systems

Szczepanski, C. R., Pfeifer, C. & Stansbury, J. W., Sep 28 2012, In : Polymer (United Kingdom). 53, 21, p. 4694-4701 8 p.

Research output: Contribution to journalArticle

Free radicals
Phase separation
Free Radicals
Polymerization
Monomers
71 Citations (Scopus)

Curing efficiency of dental resin composites formulated with camphorquinone or trimethylbenzoyl-diphenyl-phosphine oxide

Schneider, L. F. J., Cavalcante, L. M., Prahl, S. A., Pfeifer, C. & Ferracane, J., Apr 2012, In : Dental Materials. 28, 4, p. 392-397 6 p.

Research output: Contribution to journalArticle

phosphine
Phenyl Ethers
Oxides
Curing
Resins
31 Citations (Scopus)

Improved dental adhesive formulations based on reactive nanogel additives

Morães, R. R., Garcia, J. W., Wilson, N. D., Lewis, S. H., Barros, M. D., Yang, B., Pfeifer, C. & Stansbury, J. W., Feb 2012, In : Journal of Dental Research. 91, 2, p. 179-184 6 p.

Research output: Contribution to journalArticle

Dental Cements
Adhesives
Water
Tensile Strength
Dentin
6 Citations (Scopus)

Influence of the base and diluent methacrylate monomers on the polymerization stress and its determinants

Frões-Salgado, N. R. G., Boaro, L. C., Pick, B., Pfeifer, C., Francci, C. E., Méier, M. M. & Braga, R. R., Mar 5 2012, In : Journal of Applied Polymer Science. 123, 5, p. 2985-2991 7 p.

Research output: Contribution to journalArticle

Methacrylates
Ethylene glycol
Monomers
Polymerization
Propane
91 Citations (Scopus)

Monomers used in resin composites: Degree of conversion, mechanical properties and water sorption/solubility

Gajewski, V. E. S., Pfeifer, C., Fróes-Salgado, N. R. G., Boaro, L. C. C. & Braga, R. R., Sep 2012, In : Brazilian Dental Journal. 23, 5, p. 508-514 7 p.

Research output: Contribution to journalArticle

Composite Resins
Solubility
Water
Conversion Disorder
Methacrylates
2011
47 Citations (Scopus)

Characterization of dimethacrylate polymeric networks: A study of the crosslinked structure formed by monomers used in dental composites

Pfeifer, C., Shelton, Z. R., Braga, R. R., Windmoller, D., MacHado, J. C. & Stansbury, J. W., Feb 2011, In : European Polymer Journal. 47, 2, p. 162-170 9 p.

Research output: Contribution to journalArticle

Dental composites
Free volume
Glycols
shrinkage
monomers
77 Citations (Scopus)

Control of polymerization shrinkage and stress in nanogel-modified monomer and composite materials

Moraes, R. R., Garcia, J. W., Barros, M. D., Lewis, S. H., Pfeifer, C., Liu, J. & Stansbury, J. W., Jun 2011, In : Dental Materials. 27, 6, p. 509-519 11 p.

Research output: Contribution to journalArticle

Polymerization
Monomers
Composite materials
Fillers
Glycols
46 Citations (Scopus)

Delayed gelation through chain-transfer reactions: Mechanism for stress reduction in methacrylate networks

Pfeifer, C., Wilson, N. D., Shelton, Z. R. & Stansbury, J. W., Jul 7 2011, In : Polymer (United Kingdom). 52, 15, p. 3295-3303 9 p.

Research output: Contribution to journalArticle

Methacrylates
Gelation
Sulfhydryl Compounds
Dental materials
Dental Materials
59 Citations (Scopus)

Do low-shrink composites reduce polymerization shrinkage effects?

Tantbirojn, D., Pfeifer, C., Braga, R. R. & Versluis, A., May 2011, In : Journal of Dental Research. 90, 5, p. 596-601 6 p.

Research output: Contribution to journalArticle

Cheek
Elastic Modulus
Tongue
Polymerization
Tooth
2010
82 Citations (Scopus)

Can fiber posts increase root stresses and reduce fracture?

Santos, A. F. V., Meira, J. B. C., Tanaka, C. B., Xavier, T. A., Ballester, R. Y., Lima, R. G., Pfeifer, C. & Versluis, A., Jun 2010, In : Journal of Dental Research. 89, 6, p. 587-591 5 p.

Research output: Contribution to journalArticle

Stress Fractures
Bicuspid
Tensile Strength
Elastic Modulus
54 Citations (Scopus)

Influence of matrix composition on polymerization stress development of experimental composites

Gonçalves, F., Pfeifer, C., Stansbury, J. W., Newman, S. M. & Braga, R. R., Jul 2010, In : Dental Materials. 26, 7, p. 697-703 7 p.

Research output: Contribution to journalArticle

Polymerization
Viscosity
Composite materials
Chemical analysis
Restoration
42 Citations (Scopus)

Relationships between conversion, temperature and optical properties during composite photopolymerization

Howard, B., Wilson, N. D., Newman, S. M., Pfeifer, C. & Stansbury, J. W., Jun 2010, In : Acta Biomaterialia. 6, 6, p. 2053-2059 7 p.

Research output: Contribution to journalArticle

Photopolymerization
Light transmission
Optical properties
Fillers
Light
2009
30 Citations (Scopus)

Bis-GMA co-polymerizations: Influence on conversion, flexural properties, fracture toughness and susceptibility to ethanol degradation of experimental composites

Pfeifer, C., Silva, L. R., Kawano, Y. & Braga, R. R., Sep 2009, In : Dental Materials. 25, 9, p. 1136-1141 6 p.

Research output: Contribution to journalArticle

Bisphenol A-Glycidyl Methacrylate
Polymerization
Bending strength
Copolymerization
Fracture toughness
16 Citations (Scopus)

Effect of irradiance and light source on contraction stress, degree of conversion and push-out bond strength of composite restoratives

Cunha, L. G., Alonso, R. C. B., Pfeifer, C., De Góes, M. F., Ferracane, J. & Sinhoreti, M. A. C., Jun 2009, In : American Journal of Dentistry. 22, 3, p. 165-170 6 p.

Research output: Contribution to journalArticle

Light
Halogens
Fourier Transform Infrared Spectroscopy
Incisor
Exercise Test
24 Citations (Scopus)

Elastic modulus of posts and the risk of root fracture

Meira, J. B. C., Espósito, C. O. M., Quitero, M. F. Z., Poiate, I. A. V. P., Pfeifer, C., Tanaka, C. B. & Ballester, R. Y., Aug 2009, In : Dental Traumatology. 25, 4, p. 394-398 5 p.

Research output: Contribution to journalArticle

Elastic Modulus
Dentin
Gutta-Percha
Finite Element Analysis
Direction compound
71 Citations (Scopus)

Influence of BisGMA, TEGDMA, and BisEMA contents on viscosity, conversion, and flexural strength of experimental resins and composites

Goņalves, F., Kawano, Y., Pfeifer, C., Stansbury, J. W. & Braga, R. R., Aug 2009, In : European Journal of Oral Sciences. 117, 4, p. 442-446 5 p.

Research output: Contribution to journalArticle

Composite Resins
Viscosity
triethylene glycol dimethacrylate
18 Citations (Scopus)

Influence of photoactivation protocol and light guide distance on conversion and microleakage of composite restorations

Froes-Salgado, N. R. G., Pfeifer, C., Francci, C. E. & Kawano, Y., Jul 2009, In : Operative Dentistry. 34, 4, p. 408-414 7 p.

Research output: Contribution to journalArticle

Light
Silver Nitrate
Incisor
Adhesives
Analysis of Variance
23 Citations (Scopus)
Conversion Disorder
Polymerization
Bisphenol A-Glycidyl Methacrylate
Differential Scanning Calorimetry
Mercury
5 Citations (Scopus)

Shrinkage stress and mechanical properties of photoactivated composite resin using the argon ion laser

Delfino, C. S., Pfeifer, C., Braga, R. R., Youssef, M. N. & Turbino, M. L., Jul 2009, In : Applied Physics B: Lasers and Optics. 96, 1, p. 79-84 6 p.

Research output: Contribution to journalArticle

shrinkage
resins
argon
mechanical properties
composite materials
2008
35 Citations (Scopus)

Contraction stress and physical properties development of a resin-based composite irradiated using modulated curing methods at two C-factor levels

Cunha, L. G., Alonso, R. C. B., Pfeifer, C., Correr-Sobrinho, L., Ferracane, J. & Sinhoreti, M. A. C., Mar 2008, In : Dental Materials. 24, 3, p. 392-398 7 p.

Research output: Contribution to journalArticle

Composite Resins
Curing
Resins
Physical properties
Light
53 Citations (Scopus)

Contraction stress determinants in dimethacrylate composites

Gonçalves, F., Pfeifer, C., Ferracane, J. & Braga, R. R., Apr 2008, In : Journal of Dental Research. 87, 4, p. 367-371 5 p.

Research output: Contribution to journalArticle

Polymerization
Elastic Modulus
Raman Spectrum Analysis
Differential Scanning Calorimetry
Mercury
50 Citations (Scopus)

Factors affecting photopolymerization stress in dental composites

Pfeifer, C., Ferracane, J., Sakaguchi, R. & Braga, R. R., Nov 2008, In : Journal of Dental Research. 87, 11, p. 1043-1047 5 p.

Research output: Contribution to journalArticle

Polymerization
Tooth
Bisphenol A-Glycidyl Methacrylate
Differential Scanning Calorimetry
Mercury
106 Citations (Scopus)

Influence of photoinitiator type on the rate of polymerization, degree of conversion, hardness and yellowing of dental resin composites

Schneider, L. F. J., Pfeifer, C., Consani, S., Prahl, S. A. & Ferracane, J., Sep 2008, In : Dental Materials. 24, 9, p. 1169-1177 9 p.

Research output: Contribution to journalArticle

Hardness
Polymerization
Resins
Composite materials
Amines
29 Citations (Scopus)

Polymerization stress of resin composites as a function of system compliance

Gonçalves, F., Pfeifer, C., Meira, J. B. C., Ballester, R. Y., Lima, R. G. & Braga, R. R., May 2008, In : Dental Materials. 24, 5, p. 645-652 8 p.

Research output: Contribution to journalArticle

Composite Resins
Polymethyl Methacrylate
Polymerization
Compliance
Resins
2007
40 Citations (Scopus)

Modulated photoactivation methods: Influence on contraction stress, degree of conversion and push-out bond strength of composite restoratives

Cunha, L. G., Alonso, R. C. B., Pfeifer, C., Correr-Sobrinho, L., Ferracane, J. & Sinhoreti, M. A. C., Apr 2007, In : Journal of Dentistry. 35, 4, p. 318-324 7 p.

Research output: Contribution to journalArticle

Light
Fourier Transform Infrared Spectroscopy
Exercise Test
Glass
Analysis of Variance
2006
21 Citations (Scopus)

Influence of cavity dimensions, insertion technique and adhesive system on microleakage of Class V restorations

Pfeifer, C., Braga, R. R. & Cardoso, P. E. C., Feb 2006, In : Journal of the American Dental Association. 137, 2, p. 197-202 6 p.

Research output: Contribution to journalArticle

Adhesives
Coloring Agents
Silver Nitrate
Incisor
Dental Enamel
27 Citations (Scopus)
Hardness
Polymers
Ethanol
Water
Reading
2003
25 Citations (Scopus)

Compatibility of dental adhesives and dual-cure cements

Pfeifer, C., Shih, D. & Braga, R. R., Aug 2003, In : American Journal of Dentistry. 16, 4, p. 235-238 4 p.

Research output: Contribution to journalArticle

Dental Cements
Adhesives
Shear Strength
Dental Porcelain
Dentin