mouth Flashcards
what are the 4 types of tastebuds
Filiform (no taste buds) // Fungiform, vallate, foliate
innervation of tongue
CN VII - taste ant 2/3 // CN IX - taste ant 1/3 // CNX - taste pharynx // motor CN XII
what is glossitis
red and swollen tongue (beefy tongue)
what can cause glossitis
B12, folate def, iron def, coeliac
what is a geographic tongue
weird and swirly white patches - assoc with stress
what is black hair tongue
defective desquamation (exfoliation) of filiform papillae // can cause, brown, green, black tongue
RF black hairy tongue
poor oral hygiene // abx // head and neck radiation // HIV // IVDU
invx black hair tongue
swab to exclude candida
mx black hairy tongue
scraping
what is leukoplakia
premalignant, white, hard spots on mucous membrane of mouth
who usually gets Leukoplakia
smokers
how is Leukoplakia differentiated from candidas or lichen planus
does NOT wipe away
invx Leukoplakia
biopsy to exclude SCC
symptoms lichen planus (oral)
white, lacy pattern on buccal mucosa which can wipe away
symptoms lichen planus (systemic)
itcy, papular rash on palms, soles, genitalia, flexors // polygonal with white lines on surface (wickham stria) // koebner phenomenon // thin nails
mx oral lichen planus
benzydamine mouth wash or spray
what is an apthous ucler
non-viral ulcer // inflammation // have ‘halos // from stress // self limiting
what causes gingiviits
poor dental hygiene
symptoms simple gingivitis
painless, red, swollen gums which bleed on contact
symptoms nec gingivitis
panfil bleeding gums, halitosis, punched out ulcers
mx simple gingivitis
seek dental advise, do not normally need abx
mx nec gingivitis
refer urgent to dentist // oral metro (or amox) 3 days // chlorhexidine or hydrogen peroxide mouth was
what meds cause gingival hyperplasia
phenytoin, ciclosporin, CCB
medical causes gingival hyperplasia
AML
RF mouth cancer
40+ // smoker // heavy drinker // chew tobacco or betel nut
