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 Res. 2011;45(4):393-9. doi: 10.1159/000330234. Epub 2011 Aug 3.
Caries Res. 2011.
PMID: 21822018
Clinical Trial.