Oral Surgery Flashcards
Where in the mouth do you not have minor salivary glands?
Gingivae
anterior hard palate
What is the most common pathology within minor salivary glands?
mucous extravasation cyst
How would you treat a mucous extravasation cyst?
excision with overlying mucosa and underlying granular tissue
How would you treat a benign/malignant tumour of a minor salivary gland?
excision with a margin or normal tissue
What duct opens at U7’s from parotid gland?
Parotid/Stenson’s duct
What kind of gland is the parotid?
Seromucous (predominantly serous)
What duct does the submandibular gland drain through?
Wharton’s duct
What kind of gland is the submandibular?
Mixed - seromucous
What % of salivary gland tumours are in minor salivary glands?
15-20%
What % of major salivary gland tumours are in the parotid?
90%
What % of parotid gland tumours are benign?
80%
What ducts does the sublingual gland drain through?
Rivini’s ducts / Bartholin’s duct
What kind of gland is the sublingual gland?
Mucous
What is the most common causes of pathology in major salivary glands? (4)
inflammatory disorders
obstructions / trauma
neoplasms
autoimmune / degenerative
What % of submandibular tumours are benign?
50%
What % of sublingual tumours are benign?
25%
What would you look for when diagnosing a salivary gland tumour?
swelling - intermittent/persistent, uni/bilateral
pain - prandial
salivary flow - xerostomia/sialorrhea
palpation - size, consistency, stones
What investigations would you carry out for salivary gland tumours?
radiographs/sialography
FNA
CT/MRI
ultrasound
labial gland biopsy
scintigraphy
blood tests, microbiology, sialochemistry
What are the indications for surgery of salivary glands?
chronic pain / symptoms (refractory)
repeated acute/chronic sialadenitis
benign/malignant tumours
What would you advise pt to expect post submandibular gland removal?
pain, bruising, swelling
scar
numbness of tongue
weakness of lower lip
weakness of tongue movement
What are the 4 kinds of parotid surgery?
extracapsular dissection
lobar resection
superficial parotidectomy
total parotidectomy
what are the post-op complications of parotid surgery?
pain, bruising, swelling, infection
facial nerve injury
gustatory sweating
numbness around ear lobe
salivary fistula
recurrence
What virus causes sialadenitis?
Paramyxovirus (mumps)
cytomegolovirus
HIV
How do you treat a viral infection?
self-limiting;
analgesics and hydration