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Laser effect of bleaching teeth sensitivity

Evaluation of Clinical effects of 940 nm Diode laser irradiation on post bleaching sensitivity reduction according to the common technique

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT2017010231732N1
Enrollment
30
Registered
2017-02-15
Start date
2016-11-21
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

Tooth sensitivity. Other specified diseases of hard tissues of teeth

Interventions

Intervention 1: - Control group: For being patient blindness, the opposite teeth surfaces of intervention group will be irradiated only by laser guiding beam for 60s. Intervention 2: - Intervention g
Treatment - Other
- Control group: For being patient blindness, the opposite teeth surfaces of intervention group will be irradiated only by laser guiding beam for 60s.
- Intervention group: The teeth of one of the randomized jaws, immediately after bleaching, Diode laser (Biolase, USA) with 940 nm wave length, 1w power, no sound, continuously and sweeping movement f

Sponsors

Rsearch and technology vice chancellor of Hamedan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 35 Years

Inclusion criteria

Inclusion criteria: -Inclusion criteria: No caries and periodontal diseases in all anterior teeth, canines and premolars of upper and lower jaw; Lack of any permanent and temporary restorations on more than 1/4 labial surface all anterior teeth, canines and premolars of upper and lower jaw; Lack of any tooth sensitivity ( assessed by dental air-water spray); Persons with aged over 18 years and less than 30 years; cooperation ability for periodical follow-up; Lack of any analgesic drugs consumption at least 72 hrs before bleaching; Lack of any desensitizing toothpaste usage at least 6 weeks before bleaching - Exclusion criteria: Pregnancy and breast feeding; Patient with periodontal diseases or under treatment; History of tooth bleaching treatment; Tetracycline tooth discoloration; Smoking; Tooth sensitivity; History of tooth sensitivity treatment

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Tooth sensitivity. Timepoint: 1, 24, 48 hrs and 7 days after intervention. Method of measurement: According to VAS technique.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr. Loghman rezaei soufi

Dental research center of Hamedan University of Medical Sciences

loghmansofi@umsha.ac.ir+81 38380262

Outcome results

None listed

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