You might think it鈥檚 a good idea to brush your teeth after drinking sugary fruit juice, but it isn鈥檛. The acid in the juice weakens the tooth enamel, which can then be damaged during brushing. The recommended approach is to brush your teeth聽before a meal including fruit juice. That way you don鈥檛 risk damage. But, doesn鈥檛 hurt to rinse with water after drinking fruit juice. It鈥檒l help get rid of that sugar left behind.