In order to cover the wear and the deterioration, then the porcelain veneers can be used. Also the use of these veneers is best for wear and tear. As people age, the teeth also suffers considerably. The teeth will crack or will have chips. And the veneers can be used to address this concern. Porcelain veneers are also best for use on uneven teeth due to tooth grinding, and can be used to correct the abnormal spacing in between the teeth. When whitening the teeth at home, it will always be recommended to use those that have low concentration of whitening agents. Although this method is far less effective and takes a while longer, it is also the safest. When using hydrogen peroxide for example, the concentration of the mix that is recommended at the back of the bottle should be adhered strictly if not less than what is recommended just to test it out. In many of these services, the most common method that is used is the light therapy. This therapy makes the bleaching process faster and more effective. It is said that this process can lighten the shade of the teeth 10 times more than other whitening agents. And the nice thing about this process to whiten the teeth is that the effects can be there for around two years. Anything that is put in the mouth will leave its mark trough forming a pellicle film over the teeth which initiated in the pores between the rods. While brushing rids most of the materials that are accumulating, not all of it is removed. Over the years, the accumulation of the debris forms layer upon layer of film that show eventually as stain. The first group of procedures and options fall under at-home teeth whitening procedures. The next set belongs to dentist-supervised teeth whitening procedures. Now which between the two is the better choice for someone looking to improve the looks of her teeth? What are the differences, if there are any? While superficial stains and discoloration could be removed by prophylactic cleaning and brushing, there are stains that are a little more stubborn and could accumulate between the spaces of the tiny cracks in the tooth that would need bleaching to remove the stains. When the stains are not effectively removed and stays on the teeth for a period of time, this could penetrate deeper into the dentin which could require more involved methods.