Effects of different bleaching systems on human enamel structure:an in vitro and in situ study

Study of mechanism and prevention of dental hard tissues damage during tooth bleaching

Status

Active, not recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR-RNRC-09000575

Enrollment

Unknown

Registered

2009-10-25

Start date

2009-09-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

health people

Interventions

None listed

Eligibility

Sex/Gender

All

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1.Aged 18 to 50 years old; 2. Normal saliva flow; 3. Absence of dental caries and/or periodontal disease; 4. Willing to perform bleaching treatment following the research schedule.

Exclusion criteria

Exclusion criteria: 1. Use of orthodontic appliances; 2. Presence of fixed or removable denture; 3. Smokers; 4. Dentine sensitivity.

Design outcomes

Primary

Measure	Time frame
Microhardness;Surface morphology;Fracture toughnes;	—

Countries

China

Contacts

Public ContactTao Jiang

jiangtao2006@whu.edu.cn+86 27 13098807738

Outcome results