Electronic versus conventional dental syringes for reducing pain and anxiety during local anesthesia in children

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This split-mouth randomized controlled trial enrolls 40 children aged 6–8 who need pulp therapy on matching maxillary primary molars. Each child receives electronic anesthesia on one side and a conventional syringe on the other across two visits, with all injections given by the same operator for consistency. The primary outcome is self-reported pain using a Visual Analogue Scale (VAS); secondary outcomes include heart rate, oxygen saturation, and salivary amylase measured by ELISA. Children are blinded with sunglasses and the statistician is blinded, and saliva samples are collected before and after each injection.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* 6-8-year-old children.
* Medically free (ASA class I).
* Children attending their first dental visit.
* The patient should have at least one vital primary molar with deep carious lesion on each side.

Exclusion Criteria:

* Patient has any allergy to local anesthesia.
* Patients take any medications that affect the salivary flow.
* Patient taken corticosteroid.
* Children whose parents or legal guardians refuse to sign the informed consent.

Where it's running

• Faculty of Dentistry, Ain Shams university
  Cairo, Egypt Recruiting

Study contacts

• Study coordinator: Randa Omer, Master's degree candidate
• Email: randaomar@dent.asu.edu.eg
• Phone: +201156298126

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.