Vantej tooth paste conatins Calcium sodium phosphosilicate. The calcium sodium phosphosilicate group is effective at reducing hypersensitivity. Calcium sodium phosphosilicate in Vantej toothapste imparts significant level of dentinal occlusion with durable occlusive deposits following four days of twice daily brushing. Noticable difference was seen in hypersensitivity after 4-8 weeks of use.
Rinse ur mouth with warm salt water,, daily,, apply fatkiri paste to ur sensitive teeth, u need proper homeopathic treatment for sensitivity also u can use sensodyne toothpaste
These treatment given by doctors will be affective after removal of deposit. For this scaling need to be get done,if deposit is the cause of sensitivity
there is some error in understanding the purpose and effect of the tooth paste. your black stains will go by proper brushing with any toothpaste or by professional cleaning but if the black color area is cavity then no toothpaste will fill it and make it white.