Earplug trick may stop gagging during root canal
Symptom relief
Ongoing
This study tests whether wearing a custom silicone earplug during root canal treatment can reduce the gag reflex and stress in 40 adults with severe gagging. Participants are randomly assigned to get the earplug or not, and researchers measure gag severity, discomfort, and stress…
Phase: NA • Sponsor: Beyhan Başkan • Aim: Symptom relief
Last updated May 04, 2026 05:04 UTC