The cementation procedure of metal-free fixed partial dentures exhibits special characteristics about the porcelains and cementation agents, which turns the correct association between these materials necessary. Our purpose in this literature review was to point the main groups of cements associated to metal-free restoration and discuss about the advantages, disadvantages, and recommendations of each one. Our search was confined to the electronic databases PubMed and SciELO and to books about this matter. There are essentially 3 types of hard cement: conventional, resin, or a hybrid of the two. The metal-free restorations can be fixed with conventional or resin cements. The right choice of luting material is of vital importance to the longevity of dental restorative materials. Conventional cements are advantageous when good compressive straight, good film thickness, and water dissolution resistance are necessary. However, they need an ideal preparation, and they are not acid dissolution resistant. Conventional cements are indicated to porcelains that cannot be acid etched. Resin cements represent the choice to metal-free restoration cementation because they present better physical properties and aesthetic than conventional agents.
From the Dentistry Program, Department of Dental Materials and Prosthodontics, School of Dentistry of Araçatuba, University of São Paulo State (FOA-UNESP), São Paulo, Brazil.
Received July 7, 2010.
Accepted for publication September 25, 2010.
Address correspondence and reprint requests to Marcela Filié Haddad, DDS, MR, PhD Student, Faculdade de Odontologia de Araçatuba-FOA-UNESP, Departamento de Materiais Odontológicos e Prótese, Rua José Bonifácio, 1193, Vila Mendonça, Araçatuba, São Paulo, Brasil; E-mail: firstname.lastname@example.org
The authors report no conflicts of interest.