NEW YORK — School-based dental programs are meant to reach children who struggle to get to a clinic. New research suggests they may be missing the very children they were designed to help.
A study published in JAMA Network Open by researchers at NYU College of Dentistry found that participation in these programs is closely tied to whether a child has already seen a dentist. Youngsters with a history of dental care were far more likely to take part, while those who had never visited a dentist were roughly 18 percent less likely to enrol.
The pattern held for another high-risk group. Children who had previously needed emergency dental treatment, and who are therefore among those most vulnerable to serious decay, were also less likely to participate.
Why it happens
The team examined records for more than 63,000 children enrolled in Medicaid in the Bronx, New York, of whom around 1,000 took part in school caries-prevention programs. The finding points to a structural weakness: many of these programs are opt-in, relying on consent forms, outreach and family engagement. When those systems do not reflect the realities of busy or under-resourced households, the children with the least existing access are the ones most easily left out.
The consequences are significant. Children in the United States miss tens of millions of hours of school each year to receive emergency dental care, and hospitals have reported a sharp rise in emergency-room visits for preventable pediatric dental problems.
A financial case, too
The researchers also modelled the cost side. They estimate that improving outreach and enrolment among high-risk children could save up to 2.4 million dollars a year in dental-related emergency department costs in New York State alone. As the study’s lead author noted, the children who may need these services most are often the least likely to receive them.
The takeaway for policymakers is that access on its own is not enough. Without targeted recruitment that actively reaches high-risk families, prevention programs risk widening the very gap they set out to close.
A familiar lesson
The study focuses on New York, but its core message travels well beyond it. Early, regular contact with a dentist shapes a child’s oral health for years, and children who fall outside routine care tend to stay outside it. That is why practices such as Acer Dental Clinic in Dubai place emphasis on early paediatric visits and preventive care, so that good habits and professional oversight begin before problems take hold.
Source: NYU College of Dentistry, “Kids Most in Need of Dental Care Least Likely to Benefit from School Programs” (9 April 2026), reporting on research published in JAMA Network Open (Huang et al., 2026).
