#ndt Every 3,000 miles, the car goes into the shop for an oil change and tire rotation. At the biannual teeth cleaning visit with the dentist, X-rays or fillings may be called for. Parental worries that inevitably set in once a newborn goes home from the hospital will be soothed by the confident words of her pediatrician at the first of many scheduled wellness exams.

These checkups are all preventative procedures designed to catch a problem before it becomes more dangerous or expensive, or to pinpoint the cau
Source: NDT