Evaluation of the Effect of Oolong Tea on Saliva

Evaluation of the Effect of Oolong Tea on the Mean Salivary pH of Students of Gorgan Faculty of Dentistry: A Double-blind Randomized Controlled Clinical Trial

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20240205060918N1

Enrollment

Registered

2024-05-11

Start date

2024-05-03

Completion date

Unknown

Last updated

2024-05-27

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

Conditions

evaluation of the mean salivary pH.

Interventions

Intervention 1: Intervention group (oolong tea): 4 grams of dry oolong tea is poured into 150 ml of boiling water (according to the manufacturer's instructions). After putting the lid on the container

Eligibility

Sex/Gender

All

Age

20 Years to 30 Years

Inclusion criteria

Inclusion criteria: Students of Gorgan Faculty of Dentistry, 20-30 years old, healthy Willingness to participate in the study Systemically healthy Not taking medicine in the past month Having good oral hygiene Absence of gingivitis, periodontitis and active tooth decay

Exclusion criteria

Exclusion criteria: History of smoking, alcohol consumption, drugs consumption Having a medium to heavy plaque

Design outcomes

Primary

Measure	Time frame
The salivary pH mean. Timepoint: At the beginning of the study (before the start of the intervention), 1, 5 and 10 minutes after consuming oolong tea. Method of measurement: pH meter.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactNiloofar Minoochehr

Gorgan University of Medical Sciences

n.minoochehr@gmail.com+98 17 3252 2018

Outcome results

None listed

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