Can zinc oxide soothe your canker sore pain?

NCT ID NCT07565181

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested if zinc oxide ointment can help heal painful canker sores. One hundred people with canker sores used either the zinc ointment or a placebo three times a day for six days. Researchers measured pain and how the sores affected daily life to see if the ointment made a difference.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Faculty of Dental Medicine for Girls ,Al-Azhar university

    Cairo, Cairo Governorate, 11651, Egypt

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