Kim 2018.

Methods	Title: bleaching effects on colour, chemical, and mechanical properties of white spot lesions Trial design: randomised, double‐blinded, placebo‐controlled trial Location: not given in abstract Language: English Number of centres: 1 Recruitment period: not given in abstract Funding source: not given in abstract
Participants	Participants: not reported Total number: 40 Inclusion criteria: not reported in abstract Exclusion criteria: not reported in abstract Number randomised: 40 Method of randomisation: not reported in abstract Method of allocation concealment: not reported in abstract Method of blinding: not reported in abstract Number evaluated: not reported in abstract
Interventions	Total number of intervention groups: 5 5 groups: 2 test groups (strip and paint‐on), 2 negative control groups and 1 positive control group (dentist‐supervised home bleaching) Duration of treatment: 4 weeks
Outcomes	Improvement in tooth shade
Notes	Yet to procure full text for this article