Examination of surface porosity of current pulp capping materials by micro-computed tomography (micro-CT) method.

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  • Author(s): Dayı B;Dayı B; Yalçın M; Yalçın M
  • Source:
    The Journal of clinical pediatric dentistry [J Clin Pediatr Dent] 2024 Mar; Vol. 48 (2), pp. 93-101. Date of Electronic Publication: 2024 Mar 03.
  • Publication Type:
    Journal Article
  • Language:
    English
  • Additional Information
    • Source:
      Publisher: MRE Press Country of Publication: Singapore NLM ID: 9100079 Publication Model: Print-Electronic Cited Medium: Print ISSN: 1053-4628 (Print) Linking ISSN: 10534628 NLM ISO Abbreviation: J Clin Pediatr Dent
    • Publication Information:
      Publication: <2022->: Singapore : MRE Press
      Original Publication: Birmingham, AL : Journal of Pedodontics, Inc., [1990]-
    • Subject Terms:
      Dental Pulp Capping*/methods ; Pulp Capping and Pulpectomy Agents*/therapeutic use ; Calcium Hydroxide* ; Hydroxyapatites* ; Minerals*; Humans ; X-Ray Microtomography ; Porosity ; Oxides/chemistry ; Silicates/chemistry ; Calcium Compounds/chemistry ; Drug Combinations ; Aluminum Compounds/chemistry
    • Abstract:
      When dental pulp is exposed, it must be covered with a biocompatible material to form reparative dentine. The material used, besides being biocompatible, should have an ideal surface structure for the attachment, proliferation and differentiation of dental pulp stem cells. This study aimed to evaluate the porosity of the microstructures of four pulp capping materials using micro-computed tomography (micro-CT). Biodentine, Bioaggregate, TheraCal and Dycal materials were prepared according to the manufacturer's instructions using 2 × 9 mm Teflon molds. A total of 60 samples, 15 in each group, were scanned using micro-CT. Open and closed pores and the total porosity of the microstructures of the materials were assessed. The findings obtained from the study were analyzed via the Kruskal-Wallis test followed by the Mann-Whitney U test. The porosity of Bioaggregate was significantly higher than that of Biodentine, Dycal and TheraCal in all porosity values. While Biodentine did not show a statistically significant difference in open and total porosity values from either TheraCal or Dycal, closed porosity values of Dycal were significantly higher than those of Biodentine and TheraCal. Because of the affinity of cells to porous surfaces, the pulp capping materials' microstructure may affect the pulp capping treatment's success. From this perspective, the use of Bioaggregate in direct pulp capping may increase the success of treatment.
      Competing Interests: The authors declare no conflict of interest.
      (©2024 The Author(s). Published by MRE Press.)
    • Grant Information:
      215S159 The Scientific and Technological Research Council of Turkey (TÜBİTAK)
    • Contributed Indexing:
      Keywords: Calcium hydroxide cement; Calcium silicate cements; Micro-CT; Porosity
    • Accession Number:
      404G39282C (tricalcium silicate)
      54479-90-2 (Dycal)
      0 (TheraCal)
      0 (BioAggregate)
      0 (Oxides)
      0 (Pulp Capping and Pulpectomy Agents)
      0 (Silicates)
      0 (Calcium Compounds)
      0 (Drug Combinations)
      0 (Aluminum Compounds)
      PF5DZW74VN (Calcium Hydroxide)
      0 (Hydroxyapatites)
      0 (Minerals)
    • Publication Date:
      Date Created: 20240328 Date Completed: 20240401 Latest Revision: 20240401
    • Publication Date:
      20240401
    • Accession Number:
      10.22514/jocpd.2024.038
    • Accession Number:
      38548638