Endodontic Applications of Mineral Trioxide Aggregate

  • Estimated Time: 120 minutes
  • Credits: 2.0 CEU
  • Passing Score: 80%

Course Overview

Mineral Trioxide Aggregate (MTA) has revolutionized endodontic therapy since its introduction, shifting the paradigm from simple mechanical obturation to biologically active tissue regeneration. Originally developed for perforation repairs, MTA’s unique hydraulic nature, biocompatibility, and ability to set in the presence of moisture make it the material of choice for a wide range of complex clinical scenarios. Its capacity to induce cementogenesis and promote hard tissue formation distinguishes it from traditional materials, offering superior long-term outcomes in vital pulp therapy, apexification, and root-end surgery. This course provides a comprehensive review of the chemical and physical properties of MTA, its manipulation and handling characteristics, and evidence-based clinical protocols. Participants will explore specific applications including direct pulp capping, pulpotomy, root perforation repair, and regenerative endodontic procedures. By understanding the material science and mastering specific placement techniques, clinicians can effectively incorporate MTA into their practice to save teeth that might otherwise be deemed non-restorable.

Learning Objectives

Upon completion of this course, participants will be able to:

  • Explain the chemical composition, setting mechanism, and physical properties of Mineral Trioxide Aggregate.
  • Describe the biological basis for MTA’s biocompatibility and bioactive potential in hard tissue formation.
  • Identify appropriate clinical indications for MTA use, including vital pulp therapy and procedural accidents.
  • Outline the step-by-step clinical protocols for direct pulp capping and partial pulpotomy using MTA.
  • Discuss the management of root perforations (furcal and lateral) and the factors influencing prognosis.
  • Compare the advantages and limitations of MTA versus Calcium Hydroxide and other bioceramic materials.
  • Describe the technique for apical barrier formation (apexification) in teeth with necrotic pulps and open apices.
  • Recognize handling challenges, potential for discoloration, and strategies to overcome placement difficulties.

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