Seq #92

Friday, April 4, 2008

9:45 AM-11:15 AM
Hilton Anatole Hotel Monet Ballroom, Symposium - Group/Division Sponsored

Bioactive and Caries-inhibiting Resin-based Materials

Sponsored by: Cariology Research, Dental Materials, Academy of Dental Materials

Description: Secondary caries at the tooth-restoration margins is the most-frequent reason for replacement of restorations. Replacement dentistry accounts for 70% of all operative work and costs $5 billion/year in the U.S. alone. This symposium will address a new generation of bioactive and caries-inhibiting resin-based dental materials, their potential clinical applications and caries inhibition, mineral formation and antimicrobial properties, and processing-structure-property relationships. The topics described are 1) sub-micron-sized bioactive glass particulates created by the sol-gel process and their use in polymer-based systems to produce dentin desensitizers and bonding agents, as well as dental restorative materials, 2) the potential therapeutic value via a combination of fluoride and chlorhexidine in typical dental resins with release at desired rates in the oral environment, 3) Ca-PO4-ion releasing biomaterials as candidate pulp-capping, orthodontic cements, and for the atraumatic restorative treatment of diseased teeth, 4) novel nanocomposites with Ca and PO4 release to inhibit caries and mechanical properties matching commercial stress-bearing, non-releasing composites. All these topics promise revolutionary advances in development of novel dental materials which contribute to better prognosis of restorative treatments.

Chairpersons: J. FERRACANE and H.H.K. XU


0577	9:45 AM	Enhanced Polymeric Dental Biomaterials Containing Bioactive Glasses J.L. FERRACANE, Oregon Health & Science University, Portland, USA
	10:05 AM	Influence of Fluoride Compounds on the Release of Chlorhexidine from Sealing Resins C. SHEN, University of Florida, Gainesville, USA
	10:25 AM	Remineralizing Resin-based Calcium Phosphate Cements and Compounds S.H. DICKENS, Paffenbarger Research Center, Gaithersburg, MD, USA
	10:45 AM	Stress-bearing and Caries-inhibiting Nanocomposites H.H.K. XU, University of Maryland, Baltimore, USA
	11:05 AM	Discussion

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