1. the organism must be capable of causing dx & we must be susceptible to dx (ex. open wound or a cold)
What 2 things must be present for disease to occur?
A disease that is caused by a microorganism that does not ordinarily cause disease but becomes pathogenic under certain circumstances is called a ___?
This is a bacterial skin infection caused by staphylococcus aureaus and occasionally streptococcus pyogenes
Direct contact is needed, can appear in blister form, direct contact is needed for transmission
enlarged lynphnodes and tenderness caused by stretococcus pyogens
Tonsillitis & pharyngitis are both characterized by __?
This is a more severe bacterial disease seen in children in which the heart and joints and CNS become inflamed
This is caused by mycobacterium tuberculosis and primarily affects the lungs but signs can be seen in the palate and tongue.
This is a deep microbial infection caused by the anaerobic Actinomyces israeli and is characterized by lesions that eventually suppurate
Primary-chancre, Secondary: mucous patch (most contagious) and Tertiary w/ gumma lesions
What are the 3 stages of Syphilis?
years after the initial infection if it was not treated properly
When is the tertiary stage likely to occur in syphillis?
hutchinsons incisors, mulberry molars and developmental disorders
These are common occurances involved with congenital syphillis?
Acute necrotizing ulcerative gingivitis
This is a painful necrosis of interdental papillae, foul odor, redness, swelling, ulceration and bleeding
If the patient is running a fever and an xray shows radiopacity & they are taking bi-phosphonate it could be __?
Antibotics, cancer chemotherapy, dentures, diabetes, HIV, or hypoparathyroidism, infancy, multiple myeloma, Primary T-lymphocyte deficientcy, or xerostomia
What are some ways Candida Albicans can cause candidiasis?
This can be caused by other things besides candidiasis; it forms at the corner of the mouth and can be red or fissured
Chronic mucotaneous candidiasis
This type of candidiasis occurs in immunocompromised patients & can be a skin lesion in the oral cavity or on genitals
Median Rhomboid Glossitis
This is associated with candidiasis but not exclusively and occurs in the middle of the tongue
Deep fungal infections
These can be chronic and non-healing, sometimes this resembles squamous cell carcinoma
This lesion appears as a cauliflower shape and when found in children suggests abuse as it is sexually transmitted
children; multiple what to pink lesions
Focal epitheliam hyperplasia is common in what population and looks like what?
Herpes Simplex I' inflammation, pain, red, swollen
Primary Herpetic Gingivostomatitis is a type of what and causes what type of symptoms?
This causes white on the lateral tongue borders & is commonly seen in HIV positive patients
This infection goes away on its own and forms vesicles on the soft palate and is common in children
This commonly occurs in children under 5 years of age. It is very contagious.
Mumps or Epidemic parotitis
This viral infection affects the salivary glands and is less common today due to a vaccine that is now available
This was originally thought to be caused by sexual contact with an infected person or infants would get it through infected mothers?