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Effect of complementary therapies on the gag reflex

Effect of complementary therapies on the gag reflex: A randomized, placebo-controlled, double-blind, crossover study - Effect of complementary therapies on the gag reflex

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000050616
Enrollment
17
Registered
2023-03-17
Start date
2019-07-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Individuals with severe gag reflex during dental procedures

Interventions

Aromatherapy with peppermint essential oil or distilled water (5 min), Washout period, Aromatherapy with distilled water or peppermint essential oil (5 min) Acupressure on pericardium 6 or sham poin

Sponsors

The Nippon Dental University, School of Life Dentistry at Tokyo
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Healthy adults who have received dental treatment

Exclusion criteria

Exclusion criteria: We excluded those with 1) mental illness, physical disease, or oral disease; 2) dentures; 3) a history of eustachian tube obstruction, nasal obstruction, pneumothorax, or intestinal obstruction; and 4) medications that may affect autonomic nerve activity.

Design outcomes

Primary

MeasureTime frame
insertion distance of saliva ejector after intervention of complementary therapy

Secondary

MeasureTime frame
Pulse rate, Galvanic skin response after intervention of complementary therapy

Countries

Japan

Contacts

Public ContactAyuko Okamoto

The Nippon Dental University, School of Life Dentistry at Tokyo Department of Pediatric Dentistry

okamotoa@tky.ndu.ac.jp03-3261-5757

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026