Does mouthwash helps to reduce the teeth cavities?

Don't rely on it: Mouth wash may help remove large particles, may help to reduce plaque, freshen breath, reduce bacteria in mouth, but can irritate tissues, and does not replace good oral hygiene, like brushing and flossing. In excess, can be a factor leading to oral cancers as well.

Yes: There are new mouthwashes being developed that can eliminate strep mutans the bacteria that causes tooth decay.

Part of daily care: Using a fluoridated mouthwash as part of your regular oral home care routine, which includes appropriate brushing 3x daily for at least 2 minutes, flossing once daily, healthy eating and professional visits to the dentists at least 2x yearly will all lead to a lower probability of getting a cavity! for even better cavity resistance, have your dentist rx for you a prescription Fluoride mouthwash.