Martin & Pleasance Strong Bones & Teeth is a Tissue Salt Combination for slow developing teeth & bones, toothache & bone health. Bones that are strong and healthy from a young age are more likely to remain strong and healthy throughout our lives. As we all know Calcium is important for strong bones and also for healthy muscles. Magnesium is also found in our bones and works with Calcium to build strong structures. Calc Fluor: assists with improving enamel of teeth and malnutrition of bones. Calc Phos: bone health, gives solidity to bones and assists in building strong teeth. Mag Phos: quick pain relief of symptoms associated with toothache, teething children and bone development. Silica: assists in building strong connective tissue to support deficient assimilation.