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Effect of a sugar-free chewing gum containing magnolia bark extract on different variables related to caries and gingivitis: a randomized controlled intervention trial

Campus, Guglielmo Giuseppe and Cagetti, Maria Grazia and Cocco, Fabio and Sale, Silvana and Sacco, G. and Strohmenger, Laura and Lingström, Peter (2011) Effect of a sugar-free chewing gum containing magnolia bark extract on different variables related to caries and gingivitis: a randomized controlled intervention trial. Caries Research, Vol. 45 (4), p. 393-399. eISSN 1421-976X. Article.

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DOI: 10.1159/000330234

Abstract

The effect of magnolia bark extract (MBE) on different variables related to caries and gingivitis administered daily through a sugar-free chewing gum was evaluated. The study was performed with healthy adult volunteers at high risk for caries as a randomized double-blind interventional study. 120 subjects with a salivary mutans streptococci (MS) concentration ≧105 CFU/ml and presence of bleeding on probing <25% were enrolled and divided into three groups: magnolia, xylitol and control. The study design included examinations at baseline, after 7 days, after 30 days of gum use and 7 days after the end of gum use. Plaque pH was assessed using the strip method following a sucrose challenge. Area under the curve (AUC5.7 and AUC6.2) was recorded. Whole saliva was collected and the number of salivary MS (CFU/ml) was counted. Bleeding on probing was recorded as a proxy of dental plaque. Data were analyzed using ANOVA repeated measures. Magnolia gum significantly reduced plaque acidogenicity, MS salivary concentration and gingival bleeding compared to xylitol and control gums. Subjects from the magnolia and xylitol groups showed both MS concentration (p = 0.01 and 0.06, respectively) and AUC5.7 (p = 0.01 and 0.04, respectively) to be significantly lower compared to baseline. Thirty-day use of a chewing gum containing MBE showed beneficial effects on oral health, including reduction of salivary MS, plaque acidogenicity and bleeding on probing.

Item Type:Article
ID Code:7495
Status:Published
Refereed:Yes
Uncontrolled Keywords:Caries prevention, chewing gum, gingival bleeding, magnolia bark extract, mutans streptococci, plaque pH
Divisions:001 Università di Sassari > 01 Dipartimenti > Chirurgia, microchirurgia e specialità medico-chirurgiche
Publisher:Karger
eISSN:1421-976X
Deposited On:04 May 2012 09:54

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