The passive smoking increases the child dental caries risk

Smoke "passive smoking" on human health do more harm than good, U.S. researchers recently discovered a second-hand smoke hazards: children raising the risk of dental caries. The research results have been published in the latest issue of "Journal of the American Medical Association."

Andrew pediatric A Linge led by the University of Rochester in New York and the Center for Child Health expert panel on the 3500 4-11 year-old children found that in the long-term "passive smoking" environment for children, suffering from The risk of tooth decay than children in a smoke-free environment, was nearly doubled.

A Linge said that passive smoking can in the blood of children, "cotinine" content increased, so as to enhance the children's primary teeth have been "borers" probability. "Cotinine" is the nicotine into the blood after a by-product; In addition, people generally believe that children eat more sweets lead to tooth decay, but the sweet tooth decay generated by the result of lactic acid in saliva and can be, and "passive" easily lead to children Laryngitis, so that they frequent mouth breathing, dry mouth so that, to reduce saliva, resulting in tooth decay.

Dental caries is the most common chronic disease among children, each year Americans spent on the treatment of the disease on the cost of about 4,500,000,000 U.S. dollars. A Linge believe that the deciduous teeth enamel surface of the weak, passive smoking and undermined their own children for bacterial resistance to the outside world, a combination of both, must increase the risk of dental caries.