There are several ways to make your teeth whiter: First, you can choose the cold light whitening of teeth to make the surface of your teeth whiter, but when choosing the treatment, you need the enamel to be well developed and free of defects before you can do the cold light whitening technique for your teeth. Because dental cold light is used with drugs, through penetration, to make the surface of the teeth white, if the teeth are defective, it may lead to symptoms of increased pain. Second, you can choose dental veneers, which are suitable for teeth with underdeveloped enamel and too dark color, and you can use dental veneers to improve the color of your teeth. Third, porcelain crowns can be done to whiten the teeth. Porcelain crowns are more damaging, but the degree of sturdiness is good, and the aesthetics of the patient’s teeth will achieve a more desirable requirement.