Wirthlin M R, Pederson E D, Hancock E B, Lamberts B L, Leonard E P
J Periodontol. 1979 Mar;50(3):125-7. doi: 10.1902/jop.1979.50.3.125.
Root surfaces which have lost their attachment due to chronic inflammatory periodontal disease present significant increases in calcium, magnesium, phosphorus, and fluoride. The clinical significance of this effect is not known in regards to wound healing, but it may be helpful in control of cervical sensitivity.