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Published on: November 6, 2019
Altering the gag reflex via a palm pressure point.
Donna Scarborough1, Michael Bailey-Van Kuren, Michael Hughes
1Department of Speech Pathology and Audiology, Miami University, Oxford, Ohio 45056, USA. scarbod@muohio.edu
Applying palm pressure can alter the gag reflex, potentially benefiting dental patients. This study categorizes hypersensitive gag reflexes and shows palm pressure shifts the gag reflex trigger point.
Area of Science:
- Neurology
- Dentistry
- Physiology
Background:
- The gag reflex frequently disrupts dental treatments.
- Hypersensitivity to gagging can be categorized by oropharyngeal landmarks.
- A specific palm pressure point may modulate the gag reflex.
Purpose of the Study:
- To investigate the effect of palm pressure on the gag reflex.
- To determine if hypersensitive gag reflexes respond differently to palm pressure.
- To introduce a novel method for managing the gag reflex.
Main Methods:
- Thirty-six subjects participated in gag reflex trials (baseline, sham, treatment).
- A custom hand pressure device delivered consistent force to a palm point.
- The gag trigger point index (GTPI) scale was used to categorize subjects and measure gag reflex sensitivity.
Main Results:
- Palm pressure consistently moved the gag reflex trigger point posteriorly in all subjects.
- A significant treatment-group interaction was observed, indicating differential responses between hypersensitive and control groups.
- GTPI baseline data and group assignments predicted mean GTPI scores across conditions.
Conclusions:
- Stimulating a specific palm pressure point offers a consistent method to alter the gag reflex trigger.
- This technique represents a functional gain for individuals with hypersensitive gag reflexes.
- A systematic approach is needed for studying and managing hypersensitive gag reflexes in clinical settings.
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