Evaluation of the effect of using anesthetics during impression making on the gag reflex

Evaluation of the effect of different methods of using anesthetics during impression making on the gag reflex in edentulous patients

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT2015062822947N1

Enrollment

Registered

2015-08-30

Start date

2015-04-04

Completion date

Unknown

Last updated

2018-02-22

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

Conditions

Gag reflex. Reflex- hyperactive gag

Interventions

Intervention 1: lidocaine anesthetic will be added to mixture of alginate and water, and then will made impression of the patient's upper jaw according to the standard procedure. Intervention 2: Befo

Prevention

lidocaine anesthetic will be added to mixture of alginate and water, and then will made impression of the patient's upper jaw according to the standard procedure.

Before the impressions,the posterior areas of the patient's palate will be stained by gel-benzocaien anesthesia4% and after 3 minutes impression will be made.

Eligibility

Sex/Gender

All

Age

20 Years to 70 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: willingness to participate in the study; signing the study informed consent; having severe gagging reflex according GSI(Gagging Severity Index). Exclusion criteria: being treated for other diseases and drug use; having the central or peripheral nervous lesions and oral lesions.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Gag reflex. Timepoint: Immediatly after trail. Method of measurement: Gagging Severity Index.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr Vahid Fakhrzadeh

Tabriz University of Medical Sciences

fakhrzadeh@tbzmed.ac.ir+98 41 3440 9387

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026