Because porcelain veneers are used, the main reason why many celebrities whiten their teeth is that the color is natural and lifelike, durable and the effect is permanent. There are also porcelain teeth. Basically 70% of celebrities use porcelain teeth to repair their teeth, because this repair method can give you a perfect set of teeth in a short time. The most important reason is that there are filters. Every step of the filming of Korean dramas, the beauty of the picture is a must, so it will be particularly white under the filter.