it is not true.. stains are results of your food habits.. coffee,tea,colas,wines,and certain fruits and vegetables can stain your teeth..tobacco use, smoking or chewing tobacco can stain teeth..so you should change your diet intake to avoid staining... and do proper brushing. it also helps to prevent stain deposit on teeth...

Cleaning never cause more stains . Thats a myth. Your Dietary  and consuming habits cause stains and too hard discoloration. Control you eating habits and control stains. Tc

it is a myth. stains could b because of many reason. ur eating n drinking habits. that is if u eat r drink anything which has artificial colors. it could also b because of mouth breathing habit