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Gagging prevention using nitrous oxide or table salt: a comparative pilot study.
J J Chidiac1, L Chamseddine, G Bellos
1Prosthodontics Department, School of Dentistry, Lebanese University, Beirut, Lebanon. RJCHID@cyberia.net.lb
The International Journal of Prosthodontics
|August 18, 2001
Summary
Table salt did not reduce gagging from soft palate stimulation, but nitrous oxide inhalation sedation significantly delayed the gag reflex. This study compared gag reflex responses to different stimuli.
Area of Science:
- Dental Anesthesia
- Gastroenterology
- Neuroscience
Background:
- Gagging reflex is a common challenge in dental and medical procedures.
- Stimulation of the soft palate frequently triggers the gag reflex.
- Effective methods to mitigate gagging are crucial for patient comfort and procedure success.
Purpose of the Study:
- To compare the efficacy of table salt and nitrous oxide inhalation sedation in reducing gagging.
- To evaluate the impact of these interventions on the time to elicit a gag reflex.
Main Methods:
- Fifteen healthy volunteers participated in the study.
- Gagging was induced by stimulating the soft palate with a spoon.
- Interventions included spoon alone, spoon with table salt, and spoon with nitrous oxide sedation.
- Time to gag reflex onset was measured using a chronometer.
Main Results:
- Nitrous oxide sedation significantly increased the time to gag reflex (mean 24.0 seconds).
- Table salt did not significantly alter the time to gag reflex compared to the spoon alone (7.7 vs 8.9 seconds).
- P < .001 for the effect of nitrous oxide.
Conclusions:
- Nitrous oxide inhalation sedation is an effective method for reducing gagging induced by soft palate stimulation.
- Table salt appears ineffective in mitigating the gag reflex in this context.
- Further research may explore other non-pharmacological and pharmacological interventions.