Salivary Glands Flashcards
E/O checks for salivation issues
Palpate parotid and submandibular
I/O checks for salivation issues (4)
Duct orifices
Minor salivary glands
Fluid expression
Quality of saliva
Functions of saliva (4)
Acid buffering (neutralises)
Lubrication for speech + swallowing
Taste
Antibacterial
List some causes of a dry mouth (5)
Medications - Ca channel blockers, antihypertensives
Dehydration
Salivary gland disease
Somatisation disorders + anxiety
Radiotherapy/chemotherapy
List medical conditions that induce saliva reduction indirectly (5)
Diabetes
Stroke
Addisons disease
VBD
List medical conditions that induce saliva reduction directly (problems with gland itself) (5)
Aplasia - ectodermal dysplasia
Sarcoidosis
HIV
Gland infiltration - amyloidosis
CF
What part of body affected by ectodermal dysplasia? (5)
Hair
Nails
Teeth
Sweat glands
Salivary glands
Hearing + vision
Name a scale used to measure mucosal dryness
Challacombe scale of mucosal dryness
Investigations for Salivary disease (5)
- Blood tests
FBCS
U+Es
LFT
C reactive protein
Glucose
Anti-Ro antibody
Anti-la antibody - Functional assays - salivary flow
- Tissue assays - labial gland biopsy
- Imaging
- Plain radiographs
- Sialography
- Ultrasound
Function of sialography
Contrast to show ducts
Disadvantage of sialography
Ionising radiation
Risk of labial gland biopsy
Lip numbness
How does anxiety reduce saliva flow?
Inhibits salivary production by brain
What is a somatoform disease?
Mental health condition
Cause physical body symptoms in response to psychological stress
Examples of somatoform disease
IBS
TMD
Oral dysaesthesia
Unstimulated saliva flow
<1.5ml in 15 mins = hypo salivation