Is the use of a mouthwash enough for oral hygiene?

No. Good oral hygiene is based on twice daily, thorough tooth brushing, flossing, plus regular check ups with a dentist and professional cleaning by a dentist or hygienist. Using a mouthwash can help to support this routine, but never replace it.
If you have persistent or worsening gum problems, such as red, swollen or bleeding gums, please contact your dentist as these may be the symptoms of gum disease. You may need treatment to help repair the damage and reduce the amount of plaque bacteria in your mouth. Your dentist may recommend that you use Corsodyl Treatment Mouthwash as a short term, temporary treatment in addition to your normal oral hygiene routine, to keep your mouth clean and help your gums return to health.