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J Ethnopharmacol. 2004 Jan;90(1):99-103.

Evaluation of antiplaque activity of Azadirachta indica leaf extract gel--a 6-week clinical study.

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1
Department of Pharmaceutics, College of Pharmaceutical Sciences, Manipal Academy of Higher Education, 576119, Manipal, India

Abstract

Various chemical agents have been evaluated over the years with respect to their antimicrobial effects in the oral cavity; however, all are associated with side effects that prohibit regular long-term use. Therefore, the effectiveness of neem (Azadirachta indica A. Juss) leaf extract against plaque formation was assessed in males between the age group of 20-30 years over a period of 6 weeks. Present study includes formulation of mucoadhesive dental gel containing Azadirachta indica leaf extract (25 mg/g). A 6-week clinical study was conducted to evaluate the efficacy of neem extract dental gel with commercially available chlorhexidine gluconate (0.2% w/v) mouthwash as positive control. Microbial evaluation of Streptococcus mutans and Lactobacilli species was carried out to determine the total decrease in the salivary bacterial count over a period of treatment using a semi-quantitative four quadrant streaking method. The results of the study suggested that the dental gel containing neem extract has significantly (P<0.05) reduced the plaque index and bacterial count than that of the control group.

PMID:
14698516
[Indexed for MEDLINE]
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