How do whitening pens compare to LED light whitening kits in terms of price and speed for removing coffee stains from yellow teeth?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How do whitening pens compare to LED light whitening kits in terms of price and speed for removing coffee stains from yellow teeth?
1 real search · 1 real-search pass
teeth whitening pens vs LED light kits effectiveness coffee stains peroxide evidence price 2026Google ↗
OBSERVEDComparison
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model).
Searches and sources
ChatGPT1 real searches · gpt-6
teeth whitening pens vs LED light kits effectiveness coffee stains peroxide evidence price 2026 Google ↗
- Effect of light-activation systems associated with whitening pens in the bleaching efficacy and hydrogen peroxide permeability · sciencedirect.com
- Bleaching Gels and Light-Emitting Diodes: Comparison of Tooth Color Change. · pubmed.ncbi.nlm.nih.gov
- View product · cvs.com
- View product · cvs.com
- View product · ulta.com
- Whitening · ada.org
- Assessment of toothbrushing, bleaching pen and bleaching mouthwash in removing stains from tooth structure and single-shade resin composite · nature.com