Evaluation the effect of vitamin C on urinary level of oxidative factors, during dental bleaching.

Evaluation the effect of Ascorbic acid on urinary level of oxidative stress factors, during dental bleaching materials.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT2012113011618N1

Enrollment

Registered

2013-01-21

Start date

2013-01-20

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

Oxidative stress.

Interventions

Intervention 1: Interventional group: Daily one geram vitamin C ( two 500 miligeram chewable tablets) for 14 days. Intervention 2: Control: without any drugs.

Prevention

Interventional group: Daily one geram vitamin C ( two 500 miligeram chewable tablets) for 14 days

Control: without any drugs

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Inclusion: people with tooth discoloration that want to be treated Exclusion: People with dental or systemic problems that bleaching contraindicated fo them; people with special disease or diet ( for exampleconsumption of multi vitamines with antioxidation capacity) that oxidant-antioxidant level is changing; pregnant and milking women; people with severe tooth sensitivity

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Urinary level of Malondialdehyde. Timepoint: every five dayes. Method of measurement: micro mole /geram.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMajid Akbari

Mashhad University of Medical Science

Akbarim@mums.ac.ir+98 51 1883 2300

Outcome results

None listed

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