Many tooth whitening methods exist today including: One Visit (Zoom or Britesmile), Take home custom trays, and white strips. The one visit technique gives quick results, but studies have shown that the patients lose on average 41% of that whiteness in one year. The white strips are the least expensive, but are One Size Fits All and does not always provide the best coverage, this whitening effect fades the fastest. After years of use by many patients, the use of custom trays and gel has proven to provide the best whitening effects and the longest lasting before requiring touch up. This method also has proven to be safe and will not damage your enamel.