Oral Medicine Flashcards
gustatory sweating
- also known as (2)
- caused by (2)
known
- Frey’s syndrome
- auricolotemporal syndrome
cause
- diabetic neuropathy
- damage during parotid surgery
what is the pathophysiology for gustatory sweating? (4)
- damage to auricolotemporal nerve
- is a mandibular branch of trigeminal nerve
- passes through parotid gland
- caries parasympathetic fibers to sweat glands of scalp and parotid gland
what is the nerve system pathway? (starting from CNS) (4)
- CNS goes into PNS
- PNS divides into sensory (afferent) and motor (efferent) division
- motor divides into somatic (voluntary) and autonomic (involuntary) nervous system
- ANS divides into sympathetic (fight/flight) and parasympathetic (housekeeping)
Radicular cyst
- histology? (3)
- non-keratinized, stratified squamous epithelium
- derived from cell rest of Mallasez
- contains Rushton bodies
Ameloblastoma
- subtypes (3)
- unicystic
- multicystic
- peripheral
ameloblastoma histopathology
- subtypes (2)
- consist of? (3)
subtypes
- follicular (islands)
- flexiform (long strands epithelium)
- surrounded by fibrous stroma
- palisaded basal cells that resemble pre-ameloblast (which has reverse polarity)
- surround core of loosely arranged cells resembling stellate reticulum
what is origin of the following benign odontogenic tumours?
- ameloblastoma
- odontoma
ameloblastoma
- benign odontogenic EPITHELIUM tumour
odontoma
- benign MIXED EPITHELIAL and MESENCHYMAL tumour
odontoma
- types (2)
- description (2)
compound
- most common
- found on anterior maxilla
complex
- consist of irregular mass of hard and soft tissues forming cauliflower like mass
- found on posterior mandible
pregnancy in dentistry
- how many trimesters (3)
- what pregnancy weeks are respective trimesters (3)
- concerns on each trimester. (3)
1st trimester (up till 13th week) - highest risk of stress and teratogens occuring
2nd trimester (26th week) - most stable
3rd trimester (40 week) - supine hypotension syndrome
what are the following seizures?
- tonic clonic
- myoclonic
- tonic atonic
tonic clonic
- stiff then jerking movement
myoclonic
- rhythmical jerking
tonic atonic
- stiffens and then floppy
absence seizure
- types (2)
- describe (2)
typical
- blank and unresponsive. Will still continue walking and not be aware.
atypical
- lasts longer. Limbs becomes floppy and will fall.
pemphigus
- pathophysiology (3)
- autoimmune interepithelial blistering disease
- attacks desmoglein, epidermis detached
- this is called acantholysis
name 2 types of pemphigus
- pemphigus vulgaris
- pemphigus foliaceous
what is Nikolky’s sign
eptihelial detachment as a result of slight pressure of rubbing against unaffected mucosa
what is the difference between pemphigus and pemphigoid (4)
pemphigus
- acantholysis
- affects outer skin (epidermis)
pemphigoid
- no acantholysis
- affects lower layer of skin (between epidermis and dermis)
name 3 types of pemphigoid
- mucous membrane pemphigoid
- bulllous pemphigoid
- gestational pemphigoid
mucous membrane pemphigoid
- oral manifestation (1)
- serious complications? (1)
- associated malignancy (2)
desquamative gingivitis
blindness
- non-hodgkins lymphoma
- cutaneous T cell lymphoma
what is the chances having a child with Downs syndrome?
at 30 years old
- 1 in 1000
after 40 years old
- 1 in 100
salivary flow test
- how much would constitute dry mouth?
less than 0.2ml/min
what are the 3 common causes of pain in the TMJ? (3)
- internal derangement
- osteoarthrosis
- myofacial pain
lesions found in HIV patients? (4)
- linear gingival erythema
- kaposi sarcoma
- hairy leukoplakia
- ANUG
- pseudomembranous candidosis
