Can I bleach my teeth without using the trays, but using cheek retractor?

My suggestions are as follows:check what % gel you have first and foremost. Most people can easily tolerate the normal concentrations. But there are some stronger ones that some people just cannot use.only use a pea size amount of fell in each teeth space.***always wipe gently with a Kleenex in...

Your dark tooth due to root canal, can definitely be covered if your dentist uses a porcelain fused to metal bridge, either precious metal or gold.However if you do want to have a non metal bridge, it is best to use lava, with an opaque core, however I have seen even with a lava bridge, some...

It sounds like you have reached a plateau. Your teeth have a whitening range of how white your teeth will bleach. If you are not happy with the results at home, you may want to try an in-office session at a dental office with stronger bleach.