There are several reasons you may not have been to the dentist in a long time. Maybe you can't afford it. Maybe you don't have insurance which is why you can't afford. You just don't have time. You don't like going to the dentist.
Do you go to the dentist every six months like it is recommended? Maybe you don't have insurance. Maybe you can't afford the cost of all of that. Well there is a much cheaper way to get the cleanings you need.