Efficacy of a bioflavonoid-enriched herbal versus 0.12% and 0.2% chlorhexidine mouthwashes in reducing peri-implant inflammation and subgingival Porphyromonas gingivalis carriage in patients with peri-implantitis

Authors

  • Nujud Alamry Department of Preventive Dental Sciences, College of Dentistry, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
  • Danah E. Aloumi Department of Pharmaceutical Sciences, College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
  • Sahar S. Alghamdi Department of Pharmaceutical Sciences, College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia; King Abdullah International Medical Research Center, Riyadh, Saudi Arabia; Pharmaceutical Care Department, King Abdulaziz Medical City, National Guard Health Affairs, Riyadh, Saudi Arabia
  • Afrah E. Mohammed Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia; Microbiology and Immunology Unit, Natural and Health Sciences Research Center, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
  • Shatha Subhi ALHarthi Department of Preventive Dental Sciences, College of Dentistry, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
  • Munerah Saleh BinShabaib Department of Preventive Dental Sciences, College of Dentistry, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
  • Kawther Aabed Department of Preventive Dental Sciences, College of Dentistry, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
  • Suha Basuhail Private Dental Practice, Riyadh, Saudi Arabia

DOI:

https://doi.org/10.2340/aos.v84.44870

Keywords:

Bioflavonoids, chlorhexidine, Porphyromonas gingivalis, peri-implantitis, probing depth

Abstract

Background: This study compared the efficacy of a bioflavonoid-enriched herbal mouthwash versus 0.12% and 0.2% chlorhexidine (CHX) in reducing peri-implant inflammation and subgingival Porphyromonas gingivalis (P. gingivalis) carriage among patients with peri-implantitis.

Methods: In all, 67 individuals diagnosed with peri-implantitis were enrolled. Demographic and implant-related data were retrieved, and subgingival biofilm samples were analysed for P. gingivalis. All patients underwent non-surgical mechanical debridement (MD) and were then randomised into three groups: test group (bioflavonoid mouthwash, n = 22), control group 1 (0.12% CHX, n = 23), and control group 2 (0.2% CHX, n = 22). Participants rinsed with 15 ml of the assigned solution twice daily for 90 days. Clinical parameters, including modified plaque index (mPI), modified bleeding index (mBI), probing depth (PD), and crestal bone loss, were recorded at baseline and after 90 days. Statistical significance was set at P < 0.05.

Results: Significant reductions in mPI, mBI, and PD were observed across all groups compared with baseline (P < 0.05). The follow-up scores for these parameters were significantly lower in the test group compared with both CHX groups (P < 0.05). At baseline, P. gingivalis was detected in 79.1% of participants. After 90 days, P. gingivalis carriage was lower in the test group (13.6%) compared with control group 1 (50.0%) and control group 2 (54.5%).

Conclusion: Prescription of a bioflavonoid-enriched herbal mouthwash following MD is more effective in reducing peri-implant inflammation and subgingival P. gingivalis compared with 0.12% and 0.2% CHX rinses.

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Published

2025-12-12