How long does laser 304 have effect in treating leukoplakia?
1 to 3 months. Laser 304 is effective in treating leukoplakia 1 to 3 months. If the area of leukoplakia is large, it will be more difficult to treat, and the onset time will be slower, which will take about three months. If the area of leukoplakia is small, it will be easier to treat and the onset time will be faster, and the curative effect will be seen about 1 month.