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Fluorosis and teeth whitening
Fluorosis is a dental condition from excessive fluoride ion exposure during the developmental stage. Affected teeth may have...

Dr Changjie Guo
Apr 5, 2022


Dental Veneers
Dental veneers ( porcelain veneers ) are thin, tooth-colored shells that are attached to the front surface of teeth to improve their...

Dr Changjie Guo
Dec 17, 2021


In-chair teeth whitening
There are two types of teeth whitening systems in dentistry: in-chair whitening and at-home whitening. Generally, we recommend at-home...

Dr Changjie Guo
Dec 11, 2021


A different approach to root canal treatment.
Root canal treatment is the only way to save the tooth when the nerve gets infected inside the root canal. For front teeth, root canals...

Dr Changjie Guo
Jul 4, 2020


At-home teeth whitening
Teeth whitening is the most conservative way to have whiter teeth compared to veneers and crowns . There are 2 types of teeth whitening system: at-home and in-office. We normally recommend at-home teeth whitening because it has more stable result, less complications and cost much less in long term. The older the teeth are, the harder to be whitened. The picture showed a good teeth whitening result for a 50+ years old patient. #Teethwhitening

Dr Changjie Guo
Sep 27, 2019


Teeth Whitening.
Teeth whitening completed with home teeth whitening system. Compared to in-chair whitening system, the result is more stable and lasts longer with less sensitivity. It is also more affordable in long term. #Teethwhitening

Dr Changjie Guo
Feb 15, 2019


Internal bleaching after root canal treatment.
It's very common that teeth become discolored after root canal treatment because the dead tissue's pigment penetrates into tooth structure. Aesthetically it doesn't look nice especially for front teeth. Veneers and crowns can cover the discoloration from outside. But they are not only expensive, more importantly, they also damage teeth by removing tooth structure. Internal bleaching whitens the tooth from inside using bleaching agent. Compared to porcelain veneers and cro

Dr Changjie Guo
Mar 13, 2018


A brighter smile with teeth whitening.
Long lasting stable result of teeth whitening was achieved by home-bleaching system. #Teethwhitening

Dr Changjie Guo
Sep 2, 2017


In-chair teeth whitening
In-chair teeth whitening is a quick and effective way to whiten teeth. The whole procedure just takes about 30-45 minutes in a dental chair. It can be used alone or combined with take-home whitening kits to achieve the best result. #Teethwhitening

Dr Changjie Guo
Jul 16, 2017


Teeth Clean & Whitening
Combination of teeth clean and whitening gave the best result for this heavy coffee drinker with buildup of tartar, plaque and stains. #Teethwhitening

Dr Changjie Guo
May 5, 2017


A whiter and brighter smile
A whiter and brighter smile after two weeks of home bleaching! It's easy to do and less complications than in-chair bleaching system. Teeth whitening is the most conservative way to make your teeth whiter compared to veneers and crowns . #Teethwhitening

Dr Changjie Guo
Mar 22, 2017


Internal bleaching - the most conservative way to whiten discolored root canal treated teeth.
This front tooth had root canal treatment years ago and became discolored. There are a few options to make this tooth white again: internal bleaching, veneers and crowns . Internal bleaching is the most conservative and cheapest way, which involves putting mixture of sodium perborate and peroxide inside the root canal for bleaching. After two sessions, the tooth became white again. The best of all is, internal bleaching does not remove any tooth structure. #Teethwhitening

Dr Changjie Guo
Nov 4, 2016


Teeth whitening for a whiter and brighter smile!
Teeth whitening is a safe cosmetic dental procedure for discolored teeth. It's become more and more popular. Compared to veneers , teeth whitening doesn't need to remove any healthy tooth structure. #Teethwhitening

Dr Changjie Guo
Sep 29, 2016


Internal bleaching
Sometimes when dental trauma or decay involves a tooth's nerve (dental pulp), a root canal treatment (endodontics) can not be avoided to save the tooth. Often the necrotic pulp causes the tooth discoloured, which will not change back after root canal treatment. There are a few options, such as internal bleaching , porcelain veneers and crowns , to whiten endodontically discoloured teeth. Internal bleaching is the most conservative option which doesn't involve removing any t

Dr Changjie Guo
Jul 31, 2016


Tetracycline-stained teeth whitening
Tetracycline-stained teeth whitening are one of the most difficult cases for achieving acceptable results of bleaching . This is not a bad result! #Teethwhitening #Tetracyclinestainedteeth

Dr Changjie Guo
Jul 22, 2015
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