This issue of the Atlas of the Oral and Maxillofacial Surgery Clinics, edited by Dr. Joel J. Napenas, focuses on Oral Manifestations of Systemic Diseases. Articles will feature Evaluation of the Patient; Oral Manifestations of Gastrointestinal Disorders; Oral Manifestations of Immunodeficiencies and Transplantation Medicine; Oral Manifestations of Autoimmune and Connective Tissue Disorders; Oral Manifestations of Drug-induced Disorders; Oral Manifestations of Neurologic Disorders; Oral Complications of Nonsurgicial Cancer Therapies; Oral Complications of Hematologic Disorders; Oral Complications of Systemic Viral Infections; Oral Complications of Allergies and Immunologically Mediated Diseases; Oral Complications of Multi-Organ Disorders; Oral Complications of Endocrine Disorders; Oral Complications of Systemic Bacterial and Fungal Infections; Dental and Periodontal Manifestations of Systemic Disease; Oral Complications of Dermatologic Disorders, and more!