CBC News - Calgary - Kids tooth decay drains medical system: expert

Calgary's (Alberta, Canada) water is fluoridated: "A University of Calgary health care economist says treating tooth decay in children under the age of five is becoming a significant drain on the medical system.

The latest statistics show the most common procedure in the operating room at the Children's Hospital is the extraction of children's teeth under general anesthetic.

Herb Emery said 600 Calgary children under the age five require dental surgery each year."