The gel syringes whiten the top and bottom teeth ... effective products include Crest 3D White Whitestrips, Opalescence PF Teeth Whitening Gel, and Philips Zoom DayWhite. What is the best teeth ...

Teeth-whitening treatments are relatively new ... a DIY whitening tray every now and then by using just the Opalescence syringe-gel refills: “Put a little stream of whitening gel into the ...

Want a brighter smile? From in-office treatments to take home kits, these are the best clinics for teeth whitening in Bangkok.