Flashcards in Oral disorders Deck (38)
clinical patterns of oral pathology?
- vesicles (viral)
- pigmentation changes
- combo of the above
Primary factors contributing to oral disease?
- systemic disease: infections, diabetes (immunocompromised) - thrush due to hyperglycemic levels which promote enviro for yeast to grow
- bowel disease
- autoimmune disease (bechet's)
- meds - dexamethasone can be prone to candida
- stress/hormonal changes
What is oral frictional hyperkeratosis?
- excessive growth of stubbornly attached keratin, may happen for number of reasons and may be genetic, physiological, pre-cancerous, and cancerous
- change may result from chemical, heat or physical irritants. It isn't known to be infectious
- habit of cheek biting, chewing or tongue thrusting can usually be ID'd as responsible irritant if site of the white patch is examined in careful relationship to level at which teeth meet
Local infections examples?
- dental caries/acute pulpitis
- dental abscesses
- necrotizing periodontal disease (vincent's angina)
- ludwig's angina
- fever blister or cold sores
- hairy tongue
Cause, PP, and sx of dental caries/acute pulpitis?
- cause: strep mutans and other bacteria
- PP: destroys hard tissues of teeth, progresses into dental pulp (acute pulpitis)
continuous throbbing pain (later)
Prevention and tx of dental caries?
- prevention: fluoride, brushing, flossing, mouthwashes, routine cleanings
- tx: simple caries - restoration
pulpitis: abx, NSAIDs, root canal may be necessary
High risk populations - dental caries?
- xerostomia secondary to other causes (meds)
What is gingivitis (periodontitis)?
- inflammation of marginal gingiva
- earliest form of periodontal disease
anaerobes (cause of halitosis) most common cause
- clinical: usually painless, increased bleeding with brushing, soft tissue separation (pocket formation)
Periodontal abscess PP, Tx and prevention?
- PP: gingival soft tissue inflammation, infection
- clinical: edema, erythema, pyorrhea, pain
- tx: oral abx (PCN or clindamycin), NSAIDs (prn)
- prevention: good oral hygiene (brushing, flossing, antibacterial mouth rinses, removal of impacted food debris, routine visits to dental hygienist)
Acute necrotizing ulcerative gingivitis signs/sxs and tx?
- AKA vincents angina (trench mouth)
- signs/sxs: halitosis, ulcerations fof interdental papillae
- tx: PCN (po) + metronidazole
- clindamycin (alone)
- strongly assoc with HIV but not pathognomonic
Ludwig's angina pp, signs/sxs, tx?
- pp: rapidly spreading cellulitis of SL and submandibular spaces
usually begins as infected lower molar
- signs/sxs: febrile, drooling, trismus, edema in SL area spreading down neck
- tx: IV abx covering strep and oral anaerobes
- PCN or unasyn of a b lactam and b lactam inhibitor
- plus metronidazole (flagyl) 500 mg PO tid (metallic taste in their mouth)
Herpetic lesions? Presentation, and tx?
- cold sores (fever blisters) or painful vesicles on tongue/buccal mucosa
- etiology: HSV1 or 2
white coated tongue
acyclovir (zovirax) 400 mg 5x/day
valacyclovir 1000 tid
- picornovirus (not herpes) called coxsackie virus
- clinical features:
painful, fever, malaise, sore throat
- vesicles are present on soft palate, 7-10 days
- tx: supportive, analgesics
** any sore in mouth give 2 weeks but if not healed by this time refer!
- Candida sp
- occurrence: neonates, prolonged abx use, immunocompromised pts
- signs/sxs: white plaques on tongue/oral mucosa, burning tongue, raw throat
- tx: topical antifungals: clotrimazole (mycelex) troches or nystatin (swish and spit/swallow)
- oral fluconazole (diflucan) - used with recurrent candidiasis, 200 mg one dose or 100 mg for 7 days
Hairy tongue? etiologies?
- elongation of filiform papillae of dorsal surface
- coloration due to staingin (by tobacco or food) or infection with chromogenic organisms (commonly fungi)
What are some mucosal dermatologic changes?
- aphthous stomatitis (ulcers) - aka canker sores
- geographic tongue
- oral leukoplakia
- oral cancer
Aphthous stomatitis etiologies?
- most common oral ulceration, seen in 10-20% of population
- thought to be auto-immune process numerous etiologies:
nutritional deficiency (vit B def)
- some studies report predilection for females - hormonal changes, common ages are puberty through age 22
- last 7-10 days
Management of aphthous stomatitis?
- vitamin B12
- stress relief
- corticosteroids (dexamethasone or temovate)
What is a geographic tongue?
- asymptomatic inflammatory condition
- rapid loss and regrowth of filiform papillae causes denuded red patches to wander across surface of tongue
What is oral leukoplakia, PP, tx?
- benign epithelial hyperplasia
- strongly assoc with HIV infection
asx lesions usually lateral surfaces of tongue
responds to high dose acyclovir (zovirax)
incidence, etiology and detection?
- 2-4% of malignancies in US, increases with age
tobacco/ETOH use, HPV
all ulcerative oral lesions which fail to heal within 2 weeks should be bx
- these will be raised, white, not uniformly demarcated
Durg induced oral pathologies?
- most pharmaceuticals have oral side effects:
xerostomia (antihistamines, BP meds)
Causes of halitosis?
- lower resp tract infection: bronchiectasis, lung abscesses
- oral infections: caries, periodontal disease, acute necrotizing ulcerative gingivitis
- hepatic failure (fishy)
- azotemia (ammonia)
- DKA (sweet, fruity)
- H. pylori
- esophageal cancer
- metal poisoning (garlicky)
Pharm causes of xerostomia?
- diuretics, drugs with anticholinergic effects - antihistamines, TCAs
- clinical presentation:
c/o oral dryness, burning of tissues, difficulty eating and swallowing, tongue irrititation, painful ulcerations, progressively increasing caries and periodontal disease
saliva substitutes, salivary stimulation with sugarless hard candies
Causes of pigmentation changes?
- tetracycline: causes permanent discoloration of teeth and enamel hypoplasia if given during 2nd half of pregnancy or to children under 8
- sedatives, OCP, antimalarials: brown, black, or gray areas of oral mucosa pigmentation (disappears following drug cessation)
- amalgam tattoo: blue black pigmentation
- heavy metal pigmentation: bismuth, mercury, lead - thin blue black pigmented line along gingival margin
Meds that cause gingival hyperplasia?
- phenytoin (dilantin) - 40% of those tx
- CCBs (nifedipine)
- surgical removal of tissue is effective but hyperplasia recurs if drug isn't d/c
- etiology: numerous chemotherapeutic agents, radiation therapy to head and neck cancers
- clinical: edema and painful chewing/swallowing of food
Systemic disease manifestations?
- vitamin deficiency
- bechet's disease
Diabetes and oral problems?
- acute gingival (periodontal) abscesses
- gingival proliferations/red-gingival hypertrophy
- dry burning mouth
- gingival tenderness/spontaneous bleeding
- lip dryness
- tooth mobility
- periodontal disease
- prevention: tight glucose control