I am glad I don't have issues with my teeth. But I am telling you my younger sister has problems over the years. I think she was really my mom's priority to see dentist offen.She has problems when she was still little and glad it had been fixed. I remember she had very sensitive teeth and that continued for quite awhile. She would cringed everytime she feels this weird sensation in her teeth I believe. Her decaying tooth was really the cause. My mom would literally dig those particles inside the whole. Her teeth also bleeds everytime she brushes her teeth. That was really unfortunate of her and I don't want that to happen to my little one. In my son's case he is complaining recently about his toothache and I can't seem to understand why he needs to suffer. There are actually a lot of causes and I believe it might be his eating habits. I know I am guilty when he drinks juice before bedtime and he does miss times to brush his teeth. It's a relief knowing that there's actually something we can do to avoid irritations,bleeding,and other oral related problems. I know biotene can help- it is a sensitive toothpaste that promotes healing of bleeding gums and inflammation,and fights both the causes and effects of Halitosis(bad breath. This SLS Free formula is extra gentle to dry tissues and prevents canker sores and ulcers. I love this SLS formula because I get canker sores twice a month and I hated it so much. If you only you knew the feeling of having one I just want it gone. Like I don't know why they would just grow uninvited. Many of you might have the same problems and I would definitely recommend to use Biotene. This is definitely a great alternative!