Chapter 4: Periodontal diseases Flashcards
What are signs of necrotizing ulcerative gingivitis (NUG) and periodontitis?
- Foul odor
- Blunted papilla (punched out)
- Gray pseudomembrane
What bacteria are associated with NUG?
- Fusobacterium nucleatum
- Prevotella intermedia
- P. gingivalis
What causes plasma cell gingivitis?
-Allergic reactions (Big red chewing gum/cinnamon)
If something looks like plasma cell gingivitis on the tongue what is it called?
-Hypersensivity reaction
What is localized juvenile spongiotic gingival hyperplasia?
Bright red velvety or papillary alteration that often bleeds easily upon manipulation
Where does localized juvenile spongiotic gingival hyperplasia more commonly occur in the mouth?
-Maxilla (anterior) Most under the age of 20 avg age of 12.
What term is used to describe via a clinical diagnoses gingival epithelium that spontaneously sloughs or can be removed with minor manipulation?
-Desquamative gingivitis
If you see Desquamative gingivitis what are the differentials?
- Lichen planus
- Mucous membrane pemphigoid
- pemphigus vulgaris
- Hypersensitivity
- Systemic lupus erythematosis (rare)
Every time you desquamative gingivitis what do you have to do?
-Biopsy, its the only way to know the differential
What is an abnormal growth of gingival tissues secondary to use of systemic medication?
-Drug-related gingival hyperplasia
What does lichen planus appear as?
- Spider web pattern (can form on the genitalia)
- Histology slide is a dense band of lymphocytes
What does mucous membrane pemphigoid appear as?
- All mucous is just sloughing off,
- The epithelial surface peels off of connective tissue
Where are the pemphigus vulgaris antibodies directed towards?
-Desmosomes
What distinguished hypersensitivy?
-Plasma cells centered around blood vessels
What are three drugs associated with Drug induced gingival hyperplasia?
- Cyclosporine (transpant therapy)
- Phenytoin (anticonvulsant)
- Nifedipine (calcium channel blocker)
