Minor elements in bone mineral and their effects on its solubility

Area of Science:

• Biomineralization
• Bone Physiology
• Materials Science

Background:

• Bone mineral is primarily hydroxyapatite.
• Trace elements can incorporate into bone mineral.
• Strontium and fluoride are known to affect bone metabolism.

Purpose of the Study:

• To investigate the effects of strontium and fluoride on bone mineral composition and structure.
• To determine how these ions influence bone demineralization processes.

Main Methods:

• Analysis of bone mineral in the presence and absence of strontium and fluoride.
• Characterization of crystalline structure, mineral content, and crystal perfection.
• In vitro and in vivo demineralization assays.

Main Results:

• Strontium and fluoride induce heteroionic substitutions in the apatite lattice.
• These ions modify the crystalline mineral percentage, crystal size, and perfection.
• Alterations in mineral quantity per unit volume were observed.
• Demineralization rates were affected by the presence of these ions.

Conclusions:

• Bone mineral quality and quantity are significantly altered by strontium and fluoride.
• These alterations impact the susceptibility of bone to demineralization.
• Understanding these effects is crucial for bone health and therapeutic interventions.