Subtopic Deep Dive
Mineral Trioxide Aggregate
Research Guide
What is Mineral Trioxide Aggregate?
Mineral Trioxide Aggregate (MTA) is a bioactive calcium silicate cement used in endodontics for vital pulp therapy, perforation repair, apexification, and root-end filling due to its biocompatibility, sealability, and setting properties.
MTA was introduced by Torabinejad in the 1990s and approved by the FDA for endodontic applications. Parirokh et al. (2017, part I, 442 citations) detail its use in vital pulp therapy, while part II (433 citations) covers other applications like apical barriers and perforations. Over 10 key papers from 2005-2021 review MTA's clinical efficacy and modifications.
Why It Matters
MTA improves outcomes in vital pulp therapy compared to calcium hydroxide, as shown in Hilton (2009, 412 citations) on pulp capping success. In apexification, Rafter (2005, 495 citations) highlights MTA's role in forming apical barriers for immature teeth with open apices. Torabinejad et al. (2017, 433 citations) report MTA's use in perforation repair and regenerative procedures, reducing treatment failures in surgical endodontics. These applications enhance tooth preservation in deep caries and trauma cases (Duncan et al., 2019, 572 citations).
Key Research Challenges
Discoloration of teeth
MTA causes crown discoloration in vital pulp therapy and revascularization. Torabinejad et al. (2017, part II, 433 citations) note this complication limits anterior tooth use. Alternatives like Biodentine address this issue (Malkondu et al., 2014, 363 citations).
Long setting time
MTA's extended setting time complicates clinical handling. Kogan et al. (2006, 379 citations) test additives to accelerate setting without compromising properties. This delays immediate placement in moist environments.
Handling difficulties
MTA's sandy consistency hinders manipulation and adaptation. Parirokh et al. (2017, part I, 442 citations) overview bioactive cements seeking improved rheology. Bioceramic sealers offer better flow (Al-Haddad and Aziz, 2016, 445 citations).
Essential Papers
European Society of Endodontology position statement: Management of deep caries and the exposed pulp
Henry F. Duncan, Kerstin M. Galler, Phillip L. Tomson et al. · 2019 · International Endodontic Journal · 572 citations
Abstract This position statement on the management of deep caries and the exposed pulp represents the consensus of an expert committee, convened by the European Society of Endodontology ( ESE ). Pr...
Apexification: a review
Mary Rafter · 2005 · Dental Traumatology · 495 citations
Abstract – This paper reviews the rationale and techniques for treatment of the non‐vital immature tooth. The importance of careful case assessment and accurate pulpal diagnosis in the treatment of...
Dental Pulp Defence and Repair Mechanisms in Dental Caries
Jean‐Christophe Farges, Brigitte Alliot‐Licht, Emmanuelle Renard et al. · 2015 · Mediators of Inflammation · 479 citations
Dental caries is a chronic infectious disease resulting from the penetration of oral bacteria into the enamel and dentin. Microorganisms subsequently trigger inflammatory responses in the dental pu...
Bioceramic-Based Root Canal Sealers: A Review
Afaf Al‐Haddad, Zeti Adura Che Ab Aziz · 2016 · International Journal of Biomaterials · 445 citations
Bioceramic-based root canal sealers are considered to be an advantageous technology in endodontics. The aim of this review was to consider laboratory experiments and clinical studies of these seale...
Mineral trioxide aggregate and other bioactive endodontic cements: an updated overview – part I: vital pulp therapy
Masoud Parirokh, Mahmoud Torabinejad, P. M. H. Dummer · 2017 · International Endodontic Journal · 442 citations
Abstract Mineral trioxide aggregate ( MTA ) is a bioactive endodontic cement ( BEC ) mainly comprised of calcium and silicate elements. The cement was introduced by Torabinejad in the 1990s and has...
Mineral trioxide aggregate and other bioactive endodontic cements: an updated overview – part II: other clinical applications and complications
Mahmoud Torabinejad, Masoud Parirokh, P. M. H. Dummer · 2017 · International Endodontic Journal · 433 citations
Abstract Mineral trioxide aggregate (MTA) is a dental material used extensively for vital pulp therapies (VPT), protecting scaffolds during regenerative endodontic procedures, apical barriers in te...
Keys to Clinical Success with Pulp Capping: A Review of the Literature
Thomas J. Hilton · 2009 · Operative Dentistry · 412 citations
Clinical Relevance Confusion and misconceptions surround direct and indirect pulp capping. This review of the literature provides evidence-based recommendations to guide clinicians in their decisio...
Reading Guide
Foundational Papers
Start with Rafter (2005, 495 citations) for apexification rationale; Hilton (2009, 412 citations) for pulp capping evidence; Kogan et al. (2006, 379 citations) for setting properties basics.
Recent Advances
Parirokh et al. (2017, parts I/II, 442+433 citations) for comprehensive MTA overviews; Duncan et al. (2019, 572 citations) for deep caries management; Galler et al. (2021, 389 citations) for inflammatory responses.
Core Methods
Core techniques: direct pulp capping, apical plug formation, perforation repair. Biocompatibility via calcium ion release; sealability tested per ISO standards (Torabinejad et al., 2017).
How PapersFlow Helps You Research Mineral Trioxide Aggregate
Discover & Search
Research Agent uses searchPapers and citationGraph on 'Mineral Trioxide Aggregate MTA endodontics' to map 250M+ papers, revealing Parirokh et al. (2017, 442 citations) as a hub with 400+ citing works on vital pulp therapy. exaSearch uncovers modifications like Biodentine alternatives, while findSimilarPapers links Rafter (2005, 495 citations) to apexification studies.
Analyze & Verify
Analysis Agent employs readPaperContent on Torabinejad et al. (2017) to extract biocompatibility data, then verifyResponse with CoVe checks claims against 10 foundational papers. runPythonAnalysis with pandas compares setting times from Kogan et al. (2006) datasets, graded by GRADE for high evidence in pulp capping (Hilton, 2009).
Synthesize & Write
Synthesis Agent detects gaps in MTA discoloration research via contradiction flagging across Parirokh (2017) parts. Writing Agent uses latexEditText and latexSyncCitations to draft reviews citing Duncan et al. (2019), with latexCompile for publication-ready PDFs and exportMermaid for treatment outcome flowcharts.
Use Cases
"Compare MTA setting times with additives from clinical studies"
Research Agent → searchPapers → Analysis Agent → runPythonAnalysis (pandas plots of Kogan et al. 2006 data) → matplotlib graph of setting times vs. additives.
"Write LaTeX review on MTA for apexification"
Synthesis Agent → gap detection → Writing Agent → latexEditText + latexSyncCitations (Rafter 2005, Torabinejad 2017) → latexCompile → PDF with apexification protocol diagram.
"Find open-source code for MTA biocompatibility simulations"
Research Agent → paperExtractUrls (Farges 2015) → Code Discovery → paperFindGithubRepo → githubRepoInspect → Python scripts for inflammatory response modeling.
Automated Workflows
Deep Research workflow scans 50+ MTA papers via citationGraph, producing structured reports on vital pulp vs. apexification efficacy with GRADE scores. DeepScan's 7-step chain verifies discoloration claims (Torabinejad 2017) using CoVe checkpoints and runPythonAnalysis on setting data. Theorizer generates hypotheses on MTA-bioceramic hybrids from Al-Haddad (2016) patterns.
Frequently Asked Questions
What is Mineral Trioxide Aggregate?
MTA is a bioactive calcium silicate cement for endodontic sealing and repair. Introduced by Torabinejad in the 1990s, it excels in biocompatibility (Parirokh et al., 2017, part I).
What are main clinical methods using MTA?
Methods include vital pulp capping, apexification barriers, perforation repair, and root-end filling. Torabinejad et al. (2017, part II) detail applications with success rates over 90%.
What are key papers on MTA?
Parirokh et al. (2017, parts I/II, 442+433 citations) provide overviews; Rafter (2005, 495 citations) reviews apexification; Hilton (2009, 412 citations) covers pulp capping.
What are open problems with MTA?
Challenges include tooth discoloration, long setting time, and handling issues. Kogan et al. (2006) address setting; newer bioceramics mitigate discoloration (Al-Haddad, 2016).
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