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Applied Oral Pathology through Interactive Learning Infectious Diseases Rachel S. Ennis MDH707 Spring 2011 Infectious Diseases Chapter 4 Objectives  Inflammatory and immune response  Causes of opportunistic infection  Organisms involved in specific infectious diseases  Oral candidiasis; five forms  Herpes labialis; clinical features  Recurrent intraoral herpes simplex infection; clinical features  Minor aphthous ulcers; clinical features Objectives continued:  Herpes Zoster; clinical characteristics  Epstein-Barr Virus; four associated diseases  Coxsackie virus and oral manifestations  Oral manifestations of HIV infection; clinical appearance Any ideas? ? ? ? ? Acute Necrotizing Ulcerative Gingivitis        Edematous and erythematous gingiva Cratered or “punched out” interdental papillae Painful Foul odor Metallic Taste Associated with decreased resistance Caused by Fusiform bacilli, and spirochetes Inflammatory and Immune Response  Inflammatory response: body’s first line of defense against tissue injury and disease-producing microorganisms  Immune response: defends body against injury, remembers past instances of injury Opportunistic Infection  Alteration in the oral micro flora  Organisms that are normally nonpathogenic are able to cause disease Opportunistic infections of the oral cavity  Dental caries  Periodontal disease Infectious Diseases and the organisms involved  Impetigo: Staph Aureus, Staph pyogenes.  Tonsillitis and Pharyngitis: Streptococci, Adenoviruses,        Influenza, and Epstein-Barr virus Tuberculosis: Mycobacterium tuberculosis Actinomycosis: Actinomyces israelii Syphilis: Treponima pallidum Veruca vulgaris: Human papilloma virus Condyloma acuminatum: Human papilloma virus Primary herpetic gingivostomatitis: Herpes simplex virus Acute Necrotizing Ulcerative Gingivitis: Borrelia vincentii fusiform bacillus, and spirochete Impetigo Adult male with impetigo on chin Child with impetigo on chin Syphilis chancre Dorsal surface of tongue Actinomycosis Left mandible Condyloma acuminatum Lower lip Oral Candidiasis (thrush)  Pseudomembranous  Erythematous  Denture stomatitis (chronic atrophic candidiasis)  Chronic hyperplastic candidiasis  Angular cheilitis Angular cheilitis Commissure of lips Pseudomembranous candidiasis Hard palate Herpes Labialis Caused by herpes simplex virus Also called “cold sore or fever blister” Vermillion of lips Herpes Labialis Vesicles on lips and vermillion boarder Herpes Labialis Lower lip Recurrent intraoral herpes simplex infection  Herpes simplex virus  Keratinized mucosa (hard palate, and gingiva  May be caused by sunlight, menstruation,fatigue,fever,stress  Painful, focal crops of vesicles  Prodromal symptoms: pain,burning,tingling Primary Herpes Simplex Infection Dorsal surface of tongue Minor aphthous ulcers  Nonkeratinized mucosa  One to several ulcers present  No vesicle preceding ulcer  Pain  <1cm  Round to oval  Can recur Minor aphthous ulcer Floor of mouth Major Aphthous Ulcer Soft palate Herpes Zoster  Shingles  Unilateral, painful eruption of vesicles along sensory nerve  May affect three branches of trigeminal nerve  Prodromal symptoms: pain, burning,paresthesia  May last several weeks Herpes Zoster Shingles Varicella Zoster Lips and palate Epstein-Barr Virus  Infectious Mononucleosis Palatal petichiae kissing disease  Nasopharyngeal carcinoma  Burkitt lympoma  Hairy Leukoplakia usually on lateral border of tongue Hairy Leukoplakia Lateral boarder of tongue Coxsackievirus  Discovered in Coxsackie, NY  Transmission by fecal-oral contamination, saliva, respiratory droplets  May cause: Herpangina Hand-Foot-and Mouth Disease Acute Lymphonodular Pharyngitis Coxsackie virus Sores on dorsal surface of tongue and palate HIV and Oral Lesions  Candidiasis  Herpes simplex infection  Herpes Zoster  Hairy Leukoplakia  Human papilloma virus lesions  Atypical gingivitis and periodontitis  Kaposi sarcoma  Non-Hodgkin lymphoma  Aphthous ulcers  Mucosal pigmentation  Bacterial salivary gland enlargement and xerostomia  Spontaneous gingival bleeding resulting from thrombocytopenia HIV associated thrush Soft palate Papilloma Papilloma on soft palate Papilloma Lateral boarder of tongue Papilloma Buccal Mucosa Kaposi sarcoma HIV infection ! References Ibsen, O., Phelan, J.A. (2009). Oral pathology for the dental hygienist, 5thed. St. Louis, MO: Saunders Elsevier. Langlais, R. P. , Miller, C.S. , Nield-Gehrig, J. S. (2009) Color atlas of common oral diseases, 4thed. Philadelphia, PA: Lippincott Williams and Wilkins.