NMR study on the adhesion efficacy of experimental phosphonic acid monomers.

NMR study on the adhesion efficacy of experimental phosphonic acid monomers. Research Abstract Details 

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NMR study on the adhesion efficacy of experimental phosphonic acid monomers. Abstract Text:

Norihiro Nishiyama,Masahiro Aida,Kou Fujita,Kazuomi Suzuki,F R Tay,David H Pashley,Kimiya Nemoto,

Three experimental self-etching primers - consisting of N-methacryloyl-omega-aminoalkyl phosphonic acid (NMomegaP) with different methylene chain lengths and N-methacryloyl glycine (NMGly) - were formulated. The influence of methylene chain length in NMomegaP derivatives on the chemical nature of calcium salts was examined following their application to tooth components. Bond strengths of experimental self-etching primers created with these monomers to enamel and dentin were also investigated. Nuclear magnetic resonance spectroscopy showed that NMomegaPs decalcified tooth components with formation of calcium salts, which changed from calcium hydrogen phosphonate to calcium phosphonate with increase in methylene chain length within the NMomegaP structure. Disparity in calcium salt formation was related to increases in bond strength to enamel from 18 to 24 MPa. However, bond strength to dentin remained unchanged (22 MPa). The relative dependency of bond strength on monomer methylene chain length was probably attributable to the sites where these NMomegaP calcium salts had deposited on the bonding substrates.

NMR study on the adhesion efficacy of experimental phosphonic acid monomers. Publishing Authors By Initials

N Nishiyama,M Aida,K Fujita,K Suzuki,FR Tay,DH Pashley,K Nemoto,

For similar inorganic chemicals: acids: acids, noncarboxylic: phosphorus acids: phosphonic acids research abstracts see: inorganic chemicals: acids: acids, noncarboxylic: phosphorus acids: phosphonic acids research

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NMR study on the adhesion efficacy of experimental phosphonic acid monomers. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Dental materials journal

VOLUME: 26

Page Numbers: 382-7

Journal Abbreviation:

ISSN: 0287-4547

DAY: 3

MONTH: May

YEAR: 2007

NMR study on the adhesion efficacy of experimental phosphonic acid monomers. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 8309299

NMR study on the adhesion efficacy of experimental phosphonic acid monomers. Keywords Mesh Terms:

KEYWORDS: Phosphonic Acids

MESH TERMS: pharmacology

Chemical & Substance for Abstract: NMR study on the adhesion efficacy of experimental phosphonic acid monomers. Information

Substance Name: Glycine

Registry Number: 56-40-6

Grant and Affiliation Information for NMR study on the adhesion efficacy of experimental phosphonic acid monomers.

AFFILIATION: Department of Dental Biomaterials, Nihon University School of Dentistry at Matsudo, 870-1 Sakaecho, Nishi 2, Matsudo, Chiba 271-8587, Japan. nishiyama.norihiro@nihon-u.ac.jp

Country: Japan

AGENCY: United States NIDCR

GRANT: R01 DE 014911

ACRONYM: DE

MEDLINETA: Dent Mater J

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