hi i have got the happy smile 16% gels . i have just used this tonight, i left it on my teeth for 30mins like the leaflet said and my teeth appear quite patchy. is this normal as i usually use pola night??
thank
amy
Please ensure you are using custom fit lab trays. The trays must be a perfect fit. If you do not have good trays then we can supply you with the best trays so you have optimum results.