Tooth whitening is a process that lightens discolored enamel and dentin. Whitening lightens teeth that have been stained or discolored by age, certain foods and drinks or smoking. Studies have shown that proper use of a dentist monitored, whitening system is an effective way of enhancing your smile. Over the counter tooth whitening systems are rarely as effective as they cannot ensure that the bleach product actually surrounds the teeth for the time necessary to achieve the desired results. Almost anyone can benefit from tooth whitening. Dr. Frey can determine if you are a good candidate for home whitening through a thorough oral examination and diagnosis.