To investigate whether an association exists between endometriosis and periodontal disease, because endometriosis and periodontal disease are chronic, inflammatory processes more common in patients with systemic autoimmune disorders and because each disease alters immune modulators.
Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, University of Michigan Endometriosis Center, Ann Arbor, Michigan 48109, USA.
