Healthy gums are white teeth.

As forget about a modern pastes, for whitening and strengthening teeth, as they will be a healthy and and white after an own forces for recovering.
For a strengthening teeth you gargle mouth as slightly warm tea,as this very good in teeth stones forming, weak,bleeding gums, as tea having fluoride,which is does not allow form a stone, lead to parodontosis, and on parodontosis beginning stage you are doing a special bath for gums of strong tea, as keep in mouth a tea and keep between lips and gums. And for longer effect to put between lips and gums a strips wetted in strong tea, and against caries to clean teeth a thick mass of green tea, left after brewing, and for meal adding walnuts, juice and pulp of pumpkin as with fluoride having, also chew a washed roots geranium meadow, and if teeth hurts use sage,as cook his and warm for gargle ache place, and longer keeping on ache side a gum, change on new in cooling, as doing this till 5 times within half hours, or 1/4 hour, after ache will calm.