The anti-adherence effect of Piper betle and Psidium guajava extracts on the adhesion of early settlers in dental plaque to saliva-coated glass surfaces

Razak, F.A. and Rahim, Z.H. (2003) The anti-adherence effect of Piper betle and Psidium guajava extracts on the adhesion of early settlers in dental plaque to saliva-coated glass surfaces. Journal of Oral Science, 45 (4). pp. 201-206. ISSN 1343-4934

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Abstract

The aqueous extracts of Piper betle and Psidium guajava were prepared and tested for their anti-adherence effect on the adhesion of early plaque settlers (Strep. mitis, Strep. sanguinis and Actinomyces sp.). The saliva-coated glass surfaces were used to simulate the pellicle-coated enamel surface in the oral cavity. Our results showed that the anti-adherence activities of Piper betle and Psidium guajava extracts towards the bacteria were different between the bacterial species. Psidium guajava was shown to have a slightly greater anti-adherence effect on Strep. sanguinis by 5.5 and Actinomyces sp. by 10 and a significantly higher effect on Strep. mitis (70) compared to Piper betle. The three bacterial species are known to be highly hydrophobic, and that hydrophobic bonding seemed to be an important factor in their adherence activities. It is therefore suggested that the plant extracts, in expressing their anti-adherence activities, could have altered the hydrophobic nature of the bonding between the bacteria and the saliva-coated glass surfaces.

Item Type: Article
Additional Information: Cited By (since 1996): 15 Export Date: 11 June 2012 Source: Scopus PubMed ID: 14763515 Language of Original Document: English Correspondence Address: Razak, F.A. Chemicals/CAS: Plant Extracts
Uncontrolled Keywords: Glass Plant Extract Actinomyces Analysis Of Variance Article Bacterium Adherence Dental Pellicle Drug Effect Guava Human Hydrophobicity Microbiology Piper Betle Saliva Streptococcus Mitis Streptococcus Sanguinis Tooth Plaque Bacterial Adhesion Dental Plaque Humans Plant Extracts Psidium Streptococcus Sanguis
Subjects: R Medicine > RK Dentistry
Divisions: Faculty of Dentistry > Dept of Oral Biology
Depositing User: Mr Ahmad Azwan Azman
Date Deposited: 14 Jun 2012 07:27
Last Modified: 14 Jun 2012 07:27
URI: http://eprints.um.edu.my/id/eprint/3307

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