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
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Faculty of Dental Medicine for Girls ,Al-Azhar university
Cairo, Cairo Governorate, 11651, Egypt
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Other studies related to the condition(s) this trial covers.
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