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New electronic syringe aims to make dental shots less painful

NCT ID NCT07257432

Symptom relief Sponsor: Mouetaz Kheirallah 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether an electronic syringe (Smartject) causes less pain during injection and provides longer numbing than a traditional syringe. Thirty adults received numbing shots on both sides of their mouth, one with each device. Researchers measured how quickly numbness started and how much pain people felt.

What this could mean

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

Active substance
lidocaine
What this could lead to
If it works, this could point toward a less painful way to deliver local anesthesia for dental work.
What could go wrong
This is a very small, early study with only 30 people, so results may not apply to everyone. The benefit over traditional methods may be minimal.

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

30 people

The number who actually took part.

Started

Sep 2025

Expected to finish

May 2026

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.

Ages

20 to 30 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 ranged from 20 to 30 years , no menstrual cycle, The participants were not allergic to local anesthetics, had not used medication that would alter pain perception, none of them had not ever experienced Smartject injection before, and none of them were alcoholics or smokers, The participants were not allergic to local anesthetics. Exclusion Criteria: allergic to local anesthetics ,females during menstural cycle ,bad oral care.

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As listed by the trial registrant

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

Pain perception

Contacts and locations

Locations

  • Al Andalus University

    Tartus, Al Kadmous, Syria

  • Arab University

    Hama, Syria

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