What toothpaste and what mouthwash should I use if I have periodontitis?

It should be made clear that no toothpaste and no mouthwash are able to treat or to prevent periodontitis. The periodontal treatment is specific and can only be given  by specialists. Prevention of periodontitis can be achieved through a proper oral hygiene regimen: correct toothbrushing along with dental flossing or use of interdental brushes. Toothpaste and mouthwash can be used as an adjunctive  for a good oral home care and they cannot in any case repalce  toothbrushing or dental flossing.

That does not mean that you should not use toothpaste and mouthwash. In contrast, the use of toothpaste is necessary when you brush your teeth for many reasons. First of all because of the sense of freshness and cleanliness it leaves you after you finish brushing. Then because of the flouride  almost every toothpaste has, teeth are protected from caries. As far as mouthwash is concerned, it must be noted again that its role is adjunctive. It cannot treat, nor prevent the periodontal disease but its use is very pleasant to patients leaving  a fresh and clean breathing.

At this point it should be noted that certain mouthwash containing chlorhexidine should not be used on a regular basis. Usually the mouthwash containing chlorhexidine are prescribed by the periodontist during the conservative periodontal treatment or after some surgical perio treatments. In this case you should follow religiously  the instructions given, since if these mouthwash are overused,  they can be the cause of many problems such as teeth and tongue staining, more calculus build up, metalic taste and even tolerance of the microbes and incapability of chlorhexidine to act in the future.