HI GUYS, TODAY MY REVIEW, IT CURED MY SENSITIVE GUMS AND 1-2 DAYS. IT IS REALLY VERY GOOD PRODUCT. BUT NOT SURE WHICH ONE CURE ME.BUT IAM 100% FINE .TEETH AND GUM FINE AS BEFORE TO NOW.VERY GOOD PASTE SOLVED MANY PROBLEMS.THE PRODUCT IS REALLY WORTHY AND SPECIALLY FOR TEETH HAVING CAVITYS.