Tooth discoloration
Conditions
Interventions
Participants were randomly allocated to one of two intervention groups: laser-activated tooth whitening using a diode laser system and LED-activated tooth whitening using an LED light system. Both int
Sponsors
Grigore T. Popa University of Medicine and Pharmacy
Eligibility
Sex/Gender
All
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: 1. Healthy adults aged 18–45 years 2. Extrinsic or mixed-type tooth discoloration (Vita shade A3 or darker) 3. Good oral hygiene
Exclusion criteria
Exclusion criteria: 1. Pregnancy or breastfeeding 2. Severe dental hypersensitivity 3. Active carious, periodontal, or oral mucosal lesions 4. Systemic diseases or known allergies to bleaching agents
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Tooth color (?E) (color difference (?E) is calculated from CIE L*a*b* coordinates) measured using a digital spectrophotometer (VITA Easyshade) at baseline (pre-treatment) and immediately after completion of the whitening procedure (post-treatment) | — |
Secondary
| Measure | Time frame |
|---|---|
| Adverse events measured using clinical observation and patient self-reporting of any adverse events at occurring during or immediately after the whitening procedure;Clinical perceptibility of whitening: The proportion of participants achieving a clinically perceptible color change, defined as ?E > 3.3, measured using a digital spectrophotometric measurements. at immediately after completion of the whitening procedure, compared with baseline. | — |
Countries
Romania
Contacts
Public ContactAmititeloaie Carmen
Outcome results
None listed