Assessment of Antimicrobial Efficacy of Nano Chitosan, Chlorhexidine, Chlorhexidine/Nano Chitosan Combination versus Sodium Hypochlorite Irrigation in Patients with Necrotic Mandibular Premolars: A Randomized Clinical Trial

Authors

  • Maha Nasr Department of Endodontics, Faculty of Dentistry, Egyptian Russian University, Badr City, Cairo Governorate, Egypt https://orcid.org/0000-0002-1166-2224
  • Alaa Diab Department of Endodontics, Faculty of Dentistry, Cairo University, Giza, Egypt
  • Nehal Roshdy Department of Endodontics, Faculty of Dentistry, Cairo University, Giza, Egypt
  • Amira Hussein Department of Clinical and Chemical Pathology, Faculty of Medicine, Cairo University, Giza, Egypt https://orcid.org/0000-0001-9258-9489

DOI:

https://doi.org/10.3889/oamjms.2021.7070

Keywords:

Antimicrobial, Chitosan nanoparticles, Chlorhexidine, Irrigation, Necrotic pulp, Post-operative pain, Sodium hypochlorite

Abstract

AIM: The study was done to assess the antimicrobial effectiveness of Chitosan Nanoparticles (CNPs), Chlorhexidine (CHX), and their combination (CHX/CNPs) versus that of Sodium hypochlorite (NaOCl) in patients with mandibular necrotic premolars and to evaluate their effects on post-operative pain after single-visit endodontic treatment.

MATERIALS AND METHODS: Sixty patients with necrotic mandibular premolars were divided randomly to four groups (n = 15) according to the used irrigating solution. Instrumentation was done using rotary ProTaper files. During instrumentation, irrigation was done using 2.5% NaOCl; afterward, canals were flushed with sterile saline. A final flush with the study irrigants was done as follows: 3% CNPs for Group A, 2% CHX for Group B, CHX/CNPs for Group C, and 5.25% NaOCl for Group D. Samples were collected from root canals before and after canal preparation then cultured to assess the number of colony-forming units/ml. All patients were instructed to record their pre- and post-operative pain levels on a numerical rating scale.

RESULTS: CNPs and CHX/CNPs were significantly more effective than either CHX or NaOCl; however, there was no significant difference between them against anaerobic bacteria. All tested irrigants were similarly effective against aerobic bacteria. CNPs and CHX/CNPs were associated with significantly lower post-operative pain levels in the first 24 h after treatment.

CONCLUSIONS: CNPs and its combination with CHX are significantly more effective than both CHX and NaOCl against anaerobic bacteria isolated from necrotic mandibular premolars. Post-operative pain intensity was significantly lower with CNPs and CNPs/CHX combination than with either NaOCl or CHX.

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2021-10-10

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Nasr M, Diab A, Roshdy N, Hussein A. Assessment of Antimicrobial Efficacy of Nano Chitosan, Chlorhexidine, Chlorhexidine/Nano Chitosan Combination versus Sodium Hypochlorite Irrigation in Patients with Necrotic Mandibular Premolars: A Randomized Clinical Trial. Open Access Maced J Med Sci [Internet]. 2021 Oct. 10 [cited 2024 Apr. 18];9(D):235-42. Available from: https://oamjms.eu/index.php/mjms/article/view/7070

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Dental Pathology and Endodontics

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