{"title":"Effect of Calcium Hydroxide as an Intracanal Medication on Dentine Fracture Resistance: A Systematic Review and Network Meta-Analysis.","authors":"Chayanit Sunlakawit, Chitpol Chaimanakarn, Natchalee Srimaneekarn, Sittichoke Osiri","doi":"10.1016/j.joen.2024.08.005","DOIUrl":null,"url":null,"abstract":"<p><strong>Introduction: </strong>Bacterial infections necessitate effective root canal disinfection during endodontic therapy. Calcium hydroxide (CH), a widely used intracanal medication, shows conflicting effects on dentine fracture resistance in different studies. This study aimed to perform a comprehensive systematic review and network meta-analysis to evaluate the effects of CH on the fracture resistance of dentine in human teeth across different periods.</p><p><strong>Methods: </strong>PubMed, EMBASE, MEDLINE (EBSCO), Cochrane Library, Scopus, Google Scholar, and ProQuest databases were exhaustively searched to identify studies published until February 29, 2024, with no language restrictions. Laboratory studies that investigated dentine fracture resistance in human permanent teeth following intracanal CH exposure were included. The risk of bias was evaluated using modified criteria derived from previous studies. Network meta-analysis was performed using the frequentist method. Prespecified subgroup analyses focused on simulating immature teeth.</p><p><strong>Results: </strong>The search yielded 2,265 studies from all databases, and 27 met the inclusion criteria, involving 3,879 teeth or roots. The overall results from network meta-analysis indicated that CH affected the fracture resistance of human dentine. Subgroup analysis revealed that the duration influencing fracture resistance was ≥4 weeks for mature teeth, but no specific time limitation for immature teeth. The overall quality of the evidence showed a moderate to high risk of bias.</p><p><strong>Conclusions: </strong>Short-term use of CH does not compromise human root dentine strength, supporting its routine application in clinical practice. CH remains a viable treatment strategy for over 4 weeks of medication needs but requires carefully considering the associated risks and benefits emphasizing on preservation and disease resolution.</p><p><strong>Registration: </strong>PROSPERO database (CRD 42024513199).</p>","PeriodicalId":15703,"journal":{"name":"Journal of endodontics","volume":null,"pages":null},"PeriodicalIF":3.5000,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of endodontics","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1016/j.joen.2024.08.005","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"DENTISTRY, ORAL SURGERY & MEDICINE","Score":null,"Total":0}
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Abstract
Introduction: Bacterial infections necessitate effective root canal disinfection during endodontic therapy. Calcium hydroxide (CH), a widely used intracanal medication, shows conflicting effects on dentine fracture resistance in different studies. This study aimed to perform a comprehensive systematic review and network meta-analysis to evaluate the effects of CH on the fracture resistance of dentine in human teeth across different periods.
Methods: PubMed, EMBASE, MEDLINE (EBSCO), Cochrane Library, Scopus, Google Scholar, and ProQuest databases were exhaustively searched to identify studies published until February 29, 2024, with no language restrictions. Laboratory studies that investigated dentine fracture resistance in human permanent teeth following intracanal CH exposure were included. The risk of bias was evaluated using modified criteria derived from previous studies. Network meta-analysis was performed using the frequentist method. Prespecified subgroup analyses focused on simulating immature teeth.
Results: The search yielded 2,265 studies from all databases, and 27 met the inclusion criteria, involving 3,879 teeth or roots. The overall results from network meta-analysis indicated that CH affected the fracture resistance of human dentine. Subgroup analysis revealed that the duration influencing fracture resistance was ≥4 weeks for mature teeth, but no specific time limitation for immature teeth. The overall quality of the evidence showed a moderate to high risk of bias.
Conclusions: Short-term use of CH does not compromise human root dentine strength, supporting its routine application in clinical practice. CH remains a viable treatment strategy for over 4 weeks of medication needs but requires carefully considering the associated risks and benefits emphasizing on preservation and disease resolution.
期刊介绍：
The Journal of Endodontics, the official journal of the American Association of Endodontists, publishes scientific articles, case reports and comparison studies evaluating materials and methods of pulp conservation and endodontic treatment. Endodontists and general dentists can learn about new concepts in root canal treatment and the latest advances in techniques and instrumentation in the one journal that helps them keep pace with rapid changes in this field.
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