Every year 300,000 youngsters go through the painful and costly ordeal of having their crooked teeth clamped into braces to be straightened. Last week in New Orleans the men who make the braces, the Inter-American Orthodontic Congress, met to discuss new ways of clamping down on unruly young teeth.
It may be heredity, bad nutrition, lack of care or accident that is the reason many children's teeth gap widely or fail to connect when they close their jaws. This condition is called malocclusion; it is the orthodontists' favorite word and their chief problem.
Classic technique of oldtime tooth straightening was to bring...
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