Mineral trioxide aggregate material use in endodontic treatment: A review of the literature

Howard W. Roberts, Jeffrey M. Toth, David W. Berzins, David G. Charlton

Research output: Contribution to journalReview articlepeer-review

327 Scopus citations

Abstract

Objective: The purpose of this paper was to review the composition, properties, biocompatibility, and the clinical results involving the use of mineral trioxide aggregate (MTA) materials in endodontic treatment. Methods: Electronic search of scientific papers from January 1990 to August 2006 was accomplished using PubMed and Scopus search engines (search terms: MTA, GMTA, WMTA, mineral AND trioxide AND aggregate). Results: Selected exclusion criteria resulted in 156 citations from the scientific, peer-reviewed dental literature. MTA materials are derived from a Portland cement parent compound and have been demonstrated to be biocompatible endodontic repair materials, with its biocompatible nature strongly suggested by its ability to form hydroxyappatite when exposed to physiologic solutions. With some exceptions, MTA materials provide better microleakage protection than traditional endodontic repair materials using dye, fluid filtration, and bacterial penetration leakage models. In both animal and human studies, MTA materials have been shown to have excellent potential as pulp-capping and pulpotomy medicaments but studies with long-term follow-up are limited. Preliminary studies suggested a favorable MTA material use as apical and furcation restorative materials as well as medicaments for apexogenesis and apexification treatments; however, long-term clinical studies are needed in these areas. Conclusion: MTA materials have been shown to have a biocompatible nature and have excellent potential in endodontic use. MTA materials are a refined Portland cement material and the substitution of Portland cement for MTA products is presently discouraged. Existing human studies involving MTA materials are very promising, however, insufficient randomized, double-blind clinical studies of sufficient duration exist involving MTA for all of its clinical indications. Further clinical studies are needed in these areas.

Original languageEnglish
Pages (from-to)149-164
Number of pages16
JournalDental Materials
Volume24
Issue number2
DOIs
StatePublished - Feb 2008

Keywords

  • Apexification
  • Biocompatibility
  • Endodontics
  • GMTA
  • Hydroxyapatite
  • MTA
  • Mineral trioxide aggregate
  • Portland cement
  • Pulp-capping
  • Pulpotomy
  • Root-end filling
  • WMTA

ASJC Scopus subject areas

  • Materials Science (all)
  • Dentistry (all)
  • Mechanics of Materials

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