Calcium, phosphorus, fluoride and vitamins: what is needed for healthy teeth and strong gums?
[ad_1] Just think, enamel is the most durable substance of the human body, which can withstand a load of several tens of kilograms per square centimeter every day. It consists mainly of calcium and phosphorus, but more than 20 trace elements are involved in its formation. So what trace elements and vitamins are needed for […]