Section I. The Normal Oral Mucosa: Fundamentals of Embryology. Anatomy of the Mouth. Normal Histology. Physiology. Section II. General Aspects of Oral Pathology: Oral Lesions. Normal and Pathologic Oral Changes in Aging. Oral Changes in Pregnancy. Clinical Examinationof the Oral Cavity. Section III. Diseases of the Oral Mucosa and the Lips: Inflammation of the Lips. Lip Enlargement. Cheilitis Glandularis. Acquired Diseases of the Tongue. Tongue Enlargement. Gingival Hyperplasia. Enlargement of the Parotid Gland. Aphtous Ulcers. Pyostomatitis Vegetans. Disorders of Pigmentation. Urticaria and Angioedema. Psoriasis. Reiter's Syndrome. Lichen Planus. Graft-Versus-Host Disease. Rosacea. Perioral Dermatitis. Erythema Multiforme. Acute Febrile Neutrophilic Dermatosis. Vesicular and Bullous Autoimmune Diseases. Desquamative Gingivitis. Necrotizing Sialometaplasia. Oral Mucosa Hemorrhage. Viral Diseases. Bacterial Diseases. Fungal Diseases. Protozoal and Parasitic Diseases. Mechanical Damage, Injuries and Chronic Irritation. Actinic, Thermal, And Electrical Damage. Allergic and Toxic Contact Stomatitis. Occupational Diseases of the Oral Mucosa. Drug Reactions and Side Effects. Morphea and Scleroderma. Lichen Sclerosus Et Atrophicus. Dermatomyositis. Lupus Erythematosus. Sjogren's Syndrome. Polyarteritis Nodosa. Giant Cell Arteritis. Plasma Cell Gingivitis. Oral Submucous Fibrosis. Halitosis. Xerostomia. Sialorrhea. Self-Induced Mucosal Injuries. Benign Granulomatous Processes. Malignant Granulomatoses. Heterotopias and Congenital Malformations. Genodermatoses and Congenital Syndromes. Benign Tumors. Actinic Keratosis. Leukoplakia. Malignant Tumors. Paraneoplastic Disorders. Oral Signs of Hematologic Diseases. Oral Manifestations of Nutritional Disorders. Oral Manifestations of Metabolic Disorders. Oral Manifestations of Endocrine Disorders. Oral Manifestations of Other Internal Diseases.