What is a periodontist? A periodontist is a dentist who specializes in the prevention, diagnosis, and treatment of periodontal disease, and in the placement of dental implants. Periodontists are also experts in the treatment of oral inflammation. Periodontics is the specialty of dentistry that studies supporting structures of teeth, as well as diseases and conditions that affect them. The supporting tissues are known as the periodontium, which includes the gingiva, alveolar bone, cementum, and the periodontal ligament. For more information call InStyle Dental at (626) 287-2625 or visit https://instyledental.com. InStyle Dental 138 N San Gabriel Blvd San Gabriel, CA 91775 (626) 287-2625