OPF Facial Pain and NMD (Ch18) Flashcards
What are 3 symptoms with dysfunction of motor nerves?
- Lack of motion
- Weakness
- Loss of function
What is the term for loss of sensation?
Anesthesia
What is the term for partial loss of sensation?
Hypoesthesia
What is the term for change of sensation?
Paresthesia
What is the term for increased sensation?
Hyperesthesia
CNVII (facial nerve) is mostly what type of nerves? It also contains some of what other type?
Mostly motor with some sensory
What disorder is unilateral paralysis of CNVII?
Bell’s Palsy
What systemic disease has a high rate of Bell’s Palsy?
Multiple sclerosis
75% of Bell’s palsy is caused how?
Trigger event (viral infection, exposure to cold, pregnancy)
Is it called Bell’s palsy if the the paralysis is secondary to surgical or traumatic severance of the nerve
Nope
What is a syndrome that can have Bell’s Palsy associated?
Melkesson – Rosenthal
What is the age group for most people with Bell’s Palsy?
Middle-aged
What is usually the cause of Bell’s Palsy in children?
Secondary to viral infection, Lyme disease, or earache
What is the clincial appearance of Bell’s Palsy?
Mask like appearance, inability to smile, close one eye or wink, raise one eyebrow, corner of mouth droops
Is there a universal treatment for Bell’s Palsy?
No
What is the recovery rate for Bell’s Palsy?
82% recover slowly within six months
These may mimic pain of dental origin so you must rule out dental inflammatory disease.
Neuralgias and headaches
How will patients act/feel with neuralgias and headaches?
Confused, frustrated, afraid
What is often called Tic douloureux, affecting the trigeminal nerve (CN V)?
Trigeminal neuralgia
What are symptoms of Tic Douloureaux (Trigeminal Neuralgia)?
Extremely severe, electric shock, sharp, lancinating pain in one or more trigeminal branches
What is the most common of all the neuralgias?
Tic douloureux/trigeminal neuralgia
What are the 3 divisions of CN V?
- Opthalmic
- Maxillary
- Mandibular
Trigeminal neuralgia most commonly involves which branches?
Mostly middle (maxillary) and lower (Mandibular), but can be all 3 divisions
What criteria are necessary to reach a diagnosis of trigeminal neuralgia/tic douloureux?
Abrupt attack, initiated by a light touch and specific, constant trigger . Duration of single spasm <2 min
Is there motor deficit in trigeminal neuralgia/tic douloureux?
No
What can decrease pain in trigeminal neuralgia/tic douloureux?
Carbamazepine
What is a common trigger point for trigeminal neuralgia/tic douloureux?
- Nasolabial folds
- Vermillion border
- Periorbital skin
What is the treatment for trigeminal neuralgia/tic douloureux?
- Topical/systemic meds
- Decompress nerve
- Destroy nerve