Proed - Recruiting 18 years or older. - The Use of Erythritol Powder and Locally Derived Metronidazole for the Non-surgical Treatment of Periodontitis: a Split-mouth Randomized Controlled Clinical Trial.
NHS South Birmingham - Recruiting 18 years to 75 years. - The Effect of Daily Dietary Intake of Dried Juice Concentrates of Fruit, Vegetables and Berries (Juice Plus+) Upon Periodontal Outcomes in Chronic Periodontitis: A Multicentre Randomised Controlled Trial.
University Hospital, Strasbourg, France - Recruiting 20 years to 80 years. - Chromogranin-A-Derived Peptides in the Gingival Crevicular Fluid and the Saliva of Diabetic Patients With or Without Periodontitis.
Gingival crevicular fluid samples (this procedure is added to the subject usual medical follow-up).