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New study aims to predict severe cavities in kids using family stress and sleep habits

NCT ID NCT07335744

Knowledge-focused Sponsor: The Children's Hospital of Zhejiang University School of Medicine Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at 1,200 preschool children to understand why some get severe tooth decay. Instead of just looking at teeth, researchers will also study family stress, parenting burnout, children's sleep, and diet. The goal is to create a tool that predicts which kids are most at risk, so dentists can offer personalized prevention.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could lead to a personalized prevention tool for severe tooth decay in young children, helping dentists identify at-risk kids early.
What could go wrong
This is an observational study, not a treatment trial. It may not directly improve outcomes, and the model may not be accurate enough for widespread use.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 1,200 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

May 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Children who visited the oral department of the Children's Hospital affiliated to Zhejiang University School of Medicine.

Ages

3 to 6 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age range: 3-6 years old (36 months ≤ months \< 72 months); * Good overall health condition (ASA classification I-II); * Parents have given informed consent and are willing to participate in this study. Exclusion Criteria: * Suffering from severe systemic diseases (such as congenital heart disease, blood disorders, immune deficiencies, etc.); * Having congenital craniofacial deformities (such as cleft lip and palate, facial clefts, etc.); * Undergoing orthodontic treatment for the mouth; * Having a history of long-term use of drugs that affect saliva secretion; * Refusing to undergo oral clinical examination or unable to cooperate.

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Conditions

The condition(s) this trial relates to.

dental caries

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Caries Severe early childhood caries

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

Other studies related to the condition(s) this trial covers.