A combined amalgam and composite resin restoration

Difficulties with restoring class II cavities with posterior composite resin are enumerated. The problem is especially acute when a gingival margin lies close to or apical to the cementoenamel junction. A technique is described whereby the proximal portion of class II cavities is restored with amalg...

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Bibliographic Details
Published inThe Journal of prosthetic dentistry Vol. 63; no. 5; pp. 502 - 505
Main Authors Cardash, Harold S., Bichacho, Nitzan, Imber, Stephen, Liberman, Reuven
Format Journal Article
LanguageEnglish
Published United States Mosby, Inc 01.05.1990
Subjects
Bicuspid
Chi-Square Distribution
Composite Resins
Dental Amalgam
Dental Leakage - prevention & control
Dental Restoration, Permanent - methods
Dentistry
Feasibility Studies
Humans
Molar
Surface Properties
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Summary:Difficulties with restoring class II cavities with posterior composite resin are enumerated. The problem is especially acute when a gingival margin lies close to or apical to the cementoenamel junction. A technique is described whereby the proximal portion of class II cavities is restored with amalgam to the contact area and composite resin inserted in the remainder of the cavity. Microleakage was studied by dye penetration tests. At the composite resin/cementum interface microleakage was significantly greater than at the amalgam/cementum and amalgam/composite resin interfaces ( p < 0.001). No statistically significant difference was observed in microleakage between the amalgam/cementum and amalgam/ composite resin interfaces.
Bibliography:ObjectType-Article-1
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ISSN:0022-3913
1097-6841
DOI:10.1016/0022-3913(90)90065-K