After using mouthwash still need to brush teeth, the reasons are as follows: 1, mouthwash can not replace brushing, mouthwash can only be used as oral care auxiliary supplies, can not completely remove the plaque on the dental surface and the food left in the small crevices, it can not fully play the role of caries prevention; 2, mouthwash can only be used as oral rinse, can not be swallowed, otherwise it may cause some bad stimulation or poisoning; 3, therapeutic type of mouthwash Must be used under the guidance of doctors, health care type mouthwash before use is best to consult a doctor; 4, antibacterial ingredients of mouthwash is not suitable for long-term use, easy to cause oral flora imbalance, resulting in changes in the oral micro-ecological environment, thus causing a series of oral mucosal disease; 5, mouthwash contains ingredients allergic to patients is prohibited; 6, with chlorhexidine type mouthwash can cause the back of the tongue coloring, and Transient loss of taste sensation, should not be used for a long time. Therefore, mouthwash can not replace brushing, 2 times a day morning and evening brushing is very necessary.