Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

Laser zaps cavity bugs better than drill?

NCT ID NCT07493278

Knowledge-focused Sponsor: Medical University of Sofia 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study compared two ways to remove cavities in children: using a laser or a traditional drill. Researchers measured how much cavity-causing bacteria (Streptococcus mutans and Lactobacillus) remained in the tooth after each method. The goal was to see if the laser could be a less invasive alternative to drilling. The study involved 32 children and used PCR testing to check bacteria levels before and after treatment.

What this could mean

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

Active substance
Er,Cr:YSGG laser
What this could lead to
If successful, this could show that laser treatment is as good as or better than drilling for reducing cavity-causing bacteria, potentially leading to less painful dental procedures.
What could go wrong
This is a small, completed study with only 32 participants, so results may not apply to all children or cavities. The study measured bacteria levels, not long-term cavity prevention or tooth health.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

32 people

The number who actually took part.

Started

Oct 2025

Finished

Feb 2026

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.

Ages

8 to 15 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Lesions located in the inner half of dentin, with a visible cavity or extensive dentin lesion (≥1 mm, measured with a periodontal graded probe) * Negative response to percussion * Absence of pulpal symptoms or spontaneous/night pain * Permanent molars or premolars fully erupted Exclusion Criteria: * Lesions involving less than half of the dentin or without a visible cavity * Teeth with significant crown destruction (ICDAS 06) * Positive response to percussion, pulpal symptoms, spontaneous/night pain * Teeth with periapical changes

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Dental caries are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

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.

Dental caries Minimally invasive caries removal in pediatric dentistry

Contacts and locations

Locations

  • Medical University of Sofia, Faculty of Dental Medicine

    Sofia, Sofia, 1431, Bulgaria

More trials for these conditions

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