If tooth discoloration is preventing your laughter from shining on your lips, you have the chance to solve this problem in just a couple of days. The whitening process is basically applying a bleaching gel on the teeth and usually a light source is used to accelerate the reaction. The mechanism of bleaching is an oxidation- reduction reaction process. Ingredients of the agent give out oxygen during the reaction. Elements that cause discoloration are replaced with colorless substances and whitening of the teeth is achieved.
ToothTooth discoloration depends on various factors:
- Environmental factors: Insufficient brushing, chromates due to diet, bacterial plaque on tooth surface, subjected trauma on tooth, staining drinks like tea-coffee, red wine and smoking.
- Occupational causes: being exposed to metallic salts.
- Genetic factors: genetically dark colored tooth, antibiotics used during childhood, abnormalities of tooth tissue like amelogenesis imperfecta, dentinogenesis imperfecta, fluorosis.
- Former treatments: discolorations due to root canal therapy and amalgam fillings.
Prior to bleaching; caries, gingival recessions, gingival infections or abrasion of teeth needs to be treated. The cause of discoloration must to be determined in order to select the proper type of bleaching.