Zero Cavity: a smartphone app that helps parents prevent tooth decay in young children

Innovative mHealth Intervention providing Sustained Anticipatory Guidance (Zero Cavity): Design, Validation, User Perception, and Effectiveness

NIH-funded research Sri Ramachandra Institute of Higher Education and Research Trust · NIH-11351610

A mobile app that sends age‑appropriate tips and reminders to parents to help prevent cavities in babies and young children.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionSri Ramachandra Institute of Higher Education and Research Trust NIH-funded
Lab location1 site (Chennai, India)
Project IDNIH-11351610 on NIH RePORTER

What this research studies

As a parent, you would get a phone app that delivers tailored oral‑care advice and reminders timed to your child’s age and needs. The team will build the app using interviews and focus groups with parents, pediatricians, and dentists so the messages fit real family situations. They will test the app’s usability, validate its content against expert guidance, and measure whether using it reduces early childhood tooth decay. The project emphasizes low‑resource settings where phone access can help families who have trouble reaching dental care.

Who could benefit from this research

Good fit: Ideal participants are parents or primary caregivers of infants and young children (especially under age 5) who have smartphone access and live in communities with limited dental services.

Not a fit: Families without reliable smartphone access, older children outside the app’s target age range, or children with advanced untreated dental disease may not benefit directly from this app.

Why it matters

Potential benefit: If successful, the app could lower rates of early childhood cavities and reduce the need for dental procedures in young children.

How similar studies have performed: Earlier work using phone calls and text messages to provide sustained anticipatory guidance showed promising prevention of early childhood caries, and translating that approach into a mobile app is a novel but related step.

Where this research is happening

Chennai, India

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.