Sensodyne toothpaste is very good for germ problems. But this toothpaste is contains exessive floride. If you know the advatages of toothpaste then you should be realise its disadvantages. Look for safe toothpaste rather than looking for germ attack ability. Acids easily kill any germs, but can you apply for your teeth. Sensodyne is not acid but it is like a acid can attack your teeth.