Study on the efficacy of whitening agent that combines protective and whitening agent

Not Applicable

Completed

• Conditions: Injury, poisoning and certain other consequences of external causes

• Registration Number: KCT0004625
• Lead Sponsor: Kyungpook National University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Last Update Posted: 24 February 2020

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 112

Inclusion Criteria

* Inclusion *
- Adults over 20 years of age who agree to participate in the test
- Have good general health and oral health
- Person with six maxillary anterior teeth
- People who have a proper level of discoloration of teeth and similar degree of discoloration of each tooth
- A person who understands the purpose of the test and who can read and write
- A person who can follow the test procedure well and follow the visit schedule
- Who can be followed during the test

Exclusion Criteria

* Exclusion *
- People with inadequate dentition in the practice of teeth whitening
- Resin and porcelain restoration in the anterior region
- Inflammation of the pulp due to dental caries or tooth abrasion
- People with hypersensitivity due to gingivitis and periodontitis
- People with excessive discoloration due to medication and birth defects
- Haven't had teeth whitening in the past 3 years
- Women who are pregnant, lactating or planning pregnancy during the trial
- There are other diseases or administration of the drug that may affect the efficacy or safety evaluation of the drug
- Participants in other clinical or human trials
- Others unable to communicate or have difficulty following instructions
- Others who are not suitable for the examination under the judgment of the person in charge of the examination

Study & Design

• Study Type: Interventional Study
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Efficacy - delta L, a, b, E;Efficacy - National Bureau of Standards (NBS) unit

Secondary Outcome Measures

Name	Time	Method
Safety - Gingival index, tooth sensitivity, gingival irritation;Safety - Tooth sensitivity;Safety - Gingival irritation