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Evaluation and comparison of the effects of bleaching gel containing 1% sodium hexametaphosphate on color stability and dental sensitivity during and after bleaching: a randomized, triangular blinded clinical trial study.

Evaluation and comparison of the effects of bleaching gel containing 1% sodium hexametaphosphate on color stability and dental sensitivity during and after bleaching: a randomized, triangular blinded clinical trial study.

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20180630040294N1
Enrollment
30
Registered
2019-10-26
Start date
2018-07-23
Completion date
Unknown
Last updated
2019-11-05

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

Conditions

Bad teeth color.

Interventions

Intervention 1: Intervention group: Before initiation of study, a retractor will be used to retract the lips and cheeks. Then a light-polymerized opaldam (SDI, Australia) will be used to protect the g

Sponsors

Mashhad University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Patients need to be treated for bleaching for which they are given this treatment so that the teeth that are needed to bleach for them are free of decay or repairs. Patients in favorable general and oral health conditions. Patients without dental sensitivity by touch and thermal stimuli.

Exclusion criteria

Exclusion criteria: Patients with a history of disease or long-term use of the drug.

Design outcomes

Primary

MeasureTime frame
Tooth color by spectrophotometer and tooth sensitivity by VAS system. Timepoint: Before and after treatment, immediately after treatment and 24 hours after treatment, one week after treatment, one month after treatment and 3 months after treatment. Method of measurement: Tooth color by spectrophotometer and tooth sensitivity by VAS system.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactHamideh Sadat Mohammadipour

Mashhad University of Medical Sciences

mohammadipourh@mums.ac.ir+98 51 3882 9501

Outcome results

None listed

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