I need an advice about home whitening

There is a website that assisted me to whiten my tooth area by my own owing wise advice included in the content. I believe somebody will get rather remarkable of it too. What i found is it: family-dentistry-worcester.com. Anybody see, naturally my teeth surface are of yellow shade. I figured out that teeth whitening might be so risky for my type. Although regardless of all notices I tried to handle caps along with hydrogen element. I don't know whether or not ought to I be concerned or be joyful, as my teeth became 5 shades brighter at this time, but they became some times extra painful. I would't talk totally, cause I obtain nagging torture. What must I do, who could grant me some advice?