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Cavities increasing in baby teeth

Too much sugar in young children's diets, government study suggests

MSNBC staff and news service reports

Updated: 3:20 p.m. ET April 30, 2009

ATLANTA - Tooth decay in young children’s baby teeth is on the rise, a worrying trend that signals the preschool crowd is eating too much sugar, according to the largest government study of the nation’s dental health in more than 25 years.

Experts are concerned about the prevalence of cavities in baby teeth of children ages 2 to 5. It increased to 28 percent in 1999-2004, from 24 percent in 1988-1994, according to the report from the Centers for Disease Control and Prevention.

For the last 40 years there had been a decrease in the amount of tooth decay in young children, based on federal health statistics. Other studies have suggested the decline might have ended, but the new report contains the first statistically significant proof the trend has reversed, dental experts said.

The concern is that very young children will be exposed to dental decay at a greater level throughout their lives.

"When you have more decay in your baby teeth, there’s a greater likelihood you’ll have decay in your adult teeth," the study’s lead author, Dr. Bruce Dye of the National Center for Health Statistics told MSNBC.com. "The ability to take care of teeth requires healthy behavior. Unfortunately, we’re not reinforcing healthy lifestyles for our preschoolers."

Protecting young children's teeth can be important to their health long-term, experts say.

"If you don’t have healthy teeth, your body’s not healthy," says Dr. Mary Hayes, a Chicago pediatric dentist and spokesperson for the American Dental Association. "When you get started in a negative way, you're vulnerable to loss of teeth, you're vulnerable to infection."

The study also noted a drop in the proportion of non-elderly adults who have visited a dentist in the past year — a possible indicator of declining dental insurance.

But there was some good news: Older children have fewer cavities and adults have less periodontal disease than in the past, and more of the elderly are retaining their teeth.

“Overall, we can say that most Americans are noticing an improvement in their oral health,” said Dye.

Link to obesity epidemic
One reason for the rise in baby tooth decay is that parents are giving their children more processed snack foods than in the past, and more bottled water or other drinks instead of fluoridated tap water, Dye said.

“They’re relying more on fruit snacks, juice boxes, candy and soda” for the sustenance of preschoolers, he said.

Others experts agree diet is at least part of the explanation for the rising cavity rates.

“The same things contributing to the obesity epidemic can also contribute to tooth decay,” said Dr. Gary Rozier, a dentist who teaches public health policy at the University of North Carolina.

Untreated decay dangerous
The report noted disparities in care along economic lines. Three times as many children ages 6-11 (12 percent) from families with incomes below the federal poverty line had untreated tooth decay, compared with children from families with incomes above the poverty line (4 percent).

"Although preventive measures, such as dental sealants, have been widely available for years, we need to focus our efforts on reaching children living in poverty who stand to benefit the most from them," Dr. William R. Maas, a dentist and director, of CDC's Division of Oral Health, said in a statement.

The report's findings come after the highly-publicized case of a 12-year-old boy who died in February when bacteria from an abscessed tooth spread to his brain. His mother had been unable to afford dental care for the boy.

Cavities in young children can form very quickly, and parents should begin bringing their children to the dentist at age 1, said Dr. Joel Berg, chairman of the University of Washington’s Department of Pediatric Dentistry.

Parents also must help their young children brush properly. “Preschoolers don’t have the dexterity to really clean their teeth,” Berg said.

Baby teeth naturally fall out as children age, but dentists say untreated decay can spread and is too dangerous to go untreated.

Rotten baby teeth are treated with fillings or — if the decay is extensive — extraction. But baby teeth fill certain spaces in the mouth, so their early removal may lead to crowding when adult teeth come in.

The study is based on an annual federal survey of about 5,000 people. It includes detailed in-person health interviews, and medical and dental examinations by health care professionals.

The study averaged the findings from surveys done in 1988-1994 and compared them with the average results from surveys done in 1999-2004.

The results are being reported Monday at a meeting of the American Association for Public Health Dentistry in Denver.

Fewer cavities in older kids
Experts were heartened that the study found that cavities in permanent teeth decreased to 21 percent of children in 1999-2004, from 25 percent in 1988-1994.

That may be at least partly due to the growing prevalence of dental sealants, a plastic coating applied to teeth that protects against decay. About 38 percent of children and teens ages 12 to 19 had dental sealants in the most recent set of surveys.

Some of the other findings:

· Among senior citizens ages 65 and older, the percentage with complete tooth loss dropped to 27 percent, from 34 percent.

· Moderate and severe gum disease in adults ages 20 to 64 dropped to 5 percent, from 10 percent. Gum disease dropped to 17 percent, from 27 percent, in seniors.

· Tooth decay in the permanent teeth of children ages 6 to 11 dropped to 21 percent, from 25 percent. Tooth decay in youths ages 12 to 19 dropped to 59 percent, from 68 percent.

· The percentage of adults who said they’d been to a dentist in the previous year dropped to 60 percent, from 66 percent.

© 2009 MSNBC InteractiveMSNBC.com health editor Jane Weaver contributed to this report

URL: http://www.msnbc.msn.com/id/18395089/