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Sources:
The Two Ways that Sensodyne Toothpaste Reduces Tooth Sensitivity
http://www.pharmacytimes.com/publications/issue/2014/august2014/r648_august2014
http://www.knowyourteeth.com/infobites/abc/article/?abc=W&iid=329&aid=1319
http://www.colgateenamelhealth.com/enamel-101/what-is-tooth-enamel
http://www.smilebrilliant.com/articles/what-is-dentin
http://www.ncbi.nlm.nih.gov/pubmed/11203743
http://research.omicsgroup.org/index.php/Sensodyne#How_Sensodyne_Works
http://now.tufts.edu/articles/other-fluoride
http://www.academia.edu/12621105/Reduction_in_Dental_Hypersensitivity_with_Nano-Hydroxyapatite_Potassium_Nitrate_Sodium_Monoflurophosphate_and_Antioxidants
