Challenge: Several years of periodontal neglect revealed significant disease. Background:  A 48-year-old female, new patient presented with the chief complaint of a broken mandibular molar with swelling that resolved temporarily when taking antibiotics for a sinus infection. The patient reported it has been several years since receiving dental care. The CT scan showed several teeth with periapical abscesses and furcation involvements. The periodontal assessment, including radiographs reve...