The use of high fluoride toothpaste (5000ppm) caused the re-hardening of 76% of non-cavitated root caries lesions. In contrast, toothpastes that had only (1100ppm) caused the re-hardening of only 35% of lesions.
Source: Sevels I, Clinical Abstracts, Ontario Dentist, Vol 87, No 6, pg 20.
Hans Skariah, B.Sc., DMD
Promenade Court Dental Health Group in Mississauga
2233 Hurontario St., Mississauga, ON, Canada
(1/2 km north of the QEW in the Dome Building)