Demineralization - it is the opposite process of mineralization

Mineralization

Mineralization may refer to:* Mineralization , the process through which an organic substance becomes impregnated by inorganic substances...

, a process to reduce the content of mineral substances in tissue

Tissue (biology)

Tissue is a cellular organizational level intermediate between cells and a complete organism. A tissue is an ensemble of cells, not necessarily identical, but from the same origin, that together carry out a specific function. These are called tissues because of their identical functioning...

 or organism, such as bone demineralization, demineralization of teeth. Demineralization can lead to serious diseases such as osteoporosis

Osteoporosis

Osteoporosis is a disease of bones that leads to an increased risk of fracture. In osteoporosis the bone mineral density is reduced, bone microarchitecture is deteriorating, and the amount and variety of proteins in bone is altered...

 or tooth decay.

Usually, treatment involves administration of appropriate dietary supplements to help restore the remineralization of human tissues and their physiological state.