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New and Efficient Bioactive Glass Compositions for Controlling Endodontic Pathogens.

Bruna L Correia1, Ana T P C Gomes2, Rita Noites2

  • 1Department of Materials and Ceramic Engineering, CICECO-Aveiro Institute of Materials, Campus Santiago, University of Aveiro, 3810-193 Aveiro, Portugal.

Nanomaterials (Basel, Switzerland)
|May 14, 2022
PubMed
Summary

New bioactive glasses show promise as intracanal medications for endodontic treatment. These materials effectively inhibit common oral pathogens like Enterococcus faecalis and Candida albicans, potentially improving treatment outcomes.

Keywords:
Candida albicansEnterococcus faecalisbioactive glassintracanal medicationreinfectionroot canal treatment

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Area of Science:

  • Biomaterials Science
  • Microbiology
  • Endodontics

Background:

  • Endodontic treatment success relies on eliminating root canal microorganisms.
  • Increasing microbial resistance necessitates novel intracanal medication strategies.
  • Bioactive glasses (BG) offer potential antimicrobial properties for endodontic applications.

Purpose of the Study:

  • To synthesize and characterize three distinct bioactive glass (BG) compositions using the sol-gel method.
  • To evaluate the in vitro antimicrobial efficacy of these BG formulations against key endodontic pathogens.
  • To explore the potential of BG as an alternative intracanal medication.

Main Methods:

  • Sol-gel synthesis of three bioactive glass (BG1, BG2, BG3) compositions with varying bactericidal oxide content.
  • Morphological and physical characterization of the synthesized BG materials.
  • In vitro assessment of BG's inhibitory effect on Enterococcus faecalis and Candida albicans growth.

Main Results:

  • Bioactive glass compositions BG2 and BG3 demonstrated significant inhibition of Enterococcus faecalis growth after 48 hours.
  • All tested BG samples exhibited a notable inhibitory effect on Candida albicans survival.
  • The study characterized the physical and morphological properties of the novel BG materials.

Conclusions:

  • Bioactive glasses, particularly BG2 and BG3, show significant potential as effective intracanal medications in endodontics.
  • These BG formulations demonstrate antimicrobial activity against critical pathogens, addressing the need for alternative treatments.
  • Further research into BG's clinical application could enhance endodontic treatment success rates.