Properties and interactions of oral structures and restorative materials

Cassel, James M

doi:10.6028/nbs.ir.78-1573

Cited by 1 publication

(4 citation statements)

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“…During this reporting period the evaluation of the amines previously synthesized [1,2] as accelerators in the benzoyl peroxide initiated cure of dental composite formulations was completed.…”

Section: Amine Acceleratorsmentioning

confidence: 99%

“…Previously [2] we had shown that minute amounts of copper compounds either dissolved in the monomer system from the start or added in an apparently insoluble form (copper mordanted hydroxyapati te powder) could significantly decrease the cure time of peroxide-ascorbic acid type initiator systems. Using an experimental glass containing minute amounts of copper salts, we have preliminary evidence that copper even in this state can have catalytic properties on the free radical initiation reaction provided an ascorbic type reducing agent is employed.…”

Section: Ascorbic Acid Systemsmentioning

confidence: 99%

“…differential scanning calorimetry (DSC), (2) C solid state NMR spectroscopy and (3) laser Raman spectroscopy.…”

Section: Analysis For Degree Of Polymerization Of Dental Resinsmentioning

confidence: 99%

“…Previous reports [1,2] addressed the problem of achieving clinically acceptable fits with single unit castings and the ability of porcelain powders to "wet" [11] nonprecious alloy surfaces, thereby leading to potentially strong chemical bonding between procelain and alloy.…”

Section: Three-body Wear Testmentioning

confidence: 99%

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Properties and interactions of oral structures and restorative materials

Cassel¹,

Tesk²,

Brauer³

et al. 1980

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The research on dental materials that is described in this report is a part of a larger total effort that is carried out in collaboration with the American Dental Association Health Foundation. The U. S. Army and Navy Medical R&D Command and the School of Dentistry, Georgetown University are also part of this collaborative effort through support funding and/or assignment of research personnel.While the bulk of the research progress in this report represents only the efforts of NBS staff supported under the Interagency Agreement with NIDR, there will of necessity be a degree of contribution that originates through the intentionally strong interaction among all persons participating in this collaborative dental program.The objective is to effect improved dental health through development of new knowledge and better understanding of the mechanical, chemical, and physical properties of restorative and caries-preventive materials and the mechanisms by which clinical performance is governed.A wide variety of techniques has been brought to bear to generate approaches to new and improved adhesive restorative dental materials These include: syntheses of components to improve current composite restorative materials and pit and fissure sealants and development of techniques that can be used to examine the extent of the polymerization reaction in dental resins and components, investigation of new approaches to bonding restorations to tooth surfaces, determination of the mechanisms by which composite systems wear and degrade in clinical use coupled with production of accelerated laboratory wear test data, and development of characterization methods and data for analyzing the compatibility of dental porcelains for base metal alloys.

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Section: Amine Acceleratorsmentioning

confidence: 99%

Section: Ascorbic Acid Systemsmentioning

confidence: 99%

“…differential scanning calorimetry (DSC), (2) C solid state NMR spectroscopy and (3) laser Raman spectroscopy.…”

Section: Analysis For Degree Of Polymerization Of Dental Resinsmentioning

confidence: 99%

Section: Three-body Wear Testmentioning

confidence: 99%

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