Results 231 to 240 of about 122,896 (296)

Release of Pro-Inflammatory Cytokines from Macrophages Stimulated by Denture Base Materials in Smokeless Tobacco Extract Environment.

J Pharm Bioallied Sci
Das K, Raghuvanshi MS, Mehrotra A, Shah FY, Gupta S.   +4 more
europepmc   +1 more source

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Residual monomer from hydron

Journal of Endodontics, 1983
This paper demonstrates the presence of residual monomer, hydroxyethylmethacrylate, from polymerizing Hydron detected by gas chromatography and mass spectrometry in an in vitro study. Irritation to the periapical tissue should be a consideration when root canals are filled with polymerizing Hydron.
S J, Cathers, E J, Kaminski, E M, Osetek, H L, Hung   +3 more
openaire   +2 more sources

Residual monomer in acrylic polymers

Biomaterials, 1991
Three proprietary dental resins were found to include acrylates (as distinct from methacrylates). As acrylates are well known to have adverse skin reactions, the nature and content of the acrylates were obtained. One resin contained methyl acrylate, and the other two ethyl acrylate.
K W, Davy, M, Braden
openaire   +2 more sources

Residual monomer (Bis‐GMA) of composite resins

Journal of Oral Rehabilitation, 1982
SummaryA method of measuring residual monomer (Bis‐GMA) is described. In addition, the percentage of residual monomer eluted into water from composite resins after setting was compared for several commercial products.
K, Inoue, I, Hayashi
openaire   +2 more sources

The loss of residual monomer from acrylic orthodontic resins

Dental Materials, 1985
Abstract The paper studies the loss of residual monomer from 6 acrylic orthodontic resins. Gas chromatography was used for the determination of residual monomer in the resin, and ultraviolet spectroscopy for the determination of methylmethacrylate in water.
G D, Stafford, S C, Brooks
openaire   +2 more sources

Quantitative Analysis of Residual Monomer in Polymethylstyrene

Kobunshi Kagaku, 1961
ACC法により得られたポリメチルスチレン中の残留モノマーの定量を紫外部吸収スペクトルの測定により行なった。すなわち波長293.5mμにおける吸収を利用して検量線を作製し, これを用いて少量の残留モノマーを迅速かつ精度よく定量できることを明らかにした。さらに少量の残留モノマーがポリマーの軟化温度に及ぼす影響を測定したが, 本研究の紫外線吸収スペクトルから求めたモノマー量と軟化温度との間には一義的な関係が成立することが明らかとなった。これに対し再沈殿法により求めたモノマー量と軟化温度の問にはかかる関係は認められず, 本方法によるモノマー定量法がすぐれていることを示している。
Yoshiro Matsuda, Hiroshi Marusawa, Kiyoshi Tyuzyo, Kozo Sakakibara   +3 more
openaire   +1 more source