4-META Opaque Resin — A New Resin Strongly Adhesive to Nickel-Chromium Alloy

Author:

Tanaka T.1,Nagata K.2,Takeyama M.1,Atsuta M.3,Nakabayashi N.1,Masuhara E.1

Affiliation:

1. Institute for Medical and Dental Engineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyodaku, Tokyo. Japan

2. Department of Chemistry, Tsurumi University, 2-1-3 Tsurumi, Tsurumiku, Yokohama, Japan

3. Department of Prosthodontics, School of Dentistry, Hokkaido University, North 13, West 7, Sapporo, Japan

Abstract

Opaque resins lacking adhesion and mechanical retention devices are required in positioning crowns; the average bond strength in such cases is 60-70 kg/cm2. An adhesive opaque resin containing 4-methacryloxyethyl trimellitate anhydride was prepared for use with acrylic veneer crowns, and its bond strength and durability of adhesion with an alloy were studied. Its bonding strength between cured resin and dental nickel-chromium alloy etched with HCl and oxidized with HNO3 was an average 250 kg/cm2 after immersion in water at 37°C for 30 wk.

Publisher

SAGE Publications

Subject

General Dentistry

Reference16 articles.

1. Johnston, J.F.; Phillips, R.W.; and Dykema, R.W.: Modern Practice in Crown and Bridge Prosthodontics, 3rd ed. Philadelphia, PA: W.B. Saunders Company, p. 513.

2. Marginal leakage in crowns with acrylic resin facings

3. Marginal seepage around acrylic resin veneers in gold crowns

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