The goal of periodontitis treatment is to thoroughly clean the pockets around teeth and prevent damage to surrounding bone. Treatment may be performed by a periodontist, a dentist or a dental hygienist. You have the best chance for successful treatment when you adopt a daily routine of good oral care. Because periodontitis often causes bone loss, the underlying bone may be recontoured before the gum tissue is sutured back in place. 2  After you heal, it's easier to clean these areas and maintain healthy gum tissue. 3  Soft tissue grafts.