module 3 - botulinum toxins in dentistry

Question 1

botulinum toxin a used as late as

Answer 1

late 1980’s
for
hemifacial spasm and oromandibular dystonias

Question 2

first FDA approval for? when

Answer 2

1989 - for botulinum toxin A for strabismus (but dentistry had been using toxins for almsot 10 years)

Question 3

therapeutic uses

Answer 3

hemifacial spasm

- frequent involuntary muscular contractions on one side of the space

Question 4

oromandiublar dystonia

Answer 4

indication for botulinum toxin A

Question 5

whack a mole phenominon

Answer 5

kyoto medical center
by kazuya yoshida

deals wit oromandibular dystonias

if treating one muscle - another muscle might start to reactivate

because quiet down one muscl e- may have muscle recruitement

with repeated bonta treatement - muscle that perform the same function can become dystonic

Question 6

indication for botulinum toxin into the lateral pterygoid

Answer 6

jaw opening dystonia

jaw deviation dystonia

jaw protrusion dystonia

Question 7

indication for botulinum toxin into the lateral pterygoid

Answer 7

jaw opening dystonia

jaw deviation dystonia

jaw protrusion dystonia

Question 8

function of the lateral pterygoid

inferior
and superior head

Answer 8

reciprocal activatin

- closing and opening

Question 9

approach into the lateral pterygoid

Answer 9

intra or extra oral approach

intra oral approaich

Question 10

approach for lateral pterygoid and why?

Answer 10

intraoral

Question 11

racial differences in maillary artery with lateral pterygoid

Answer 11

japanese

Question 12

racial differences in maillary artery with lateral pterygoid

Answer 12

japanese vs caucasion

Question 13

racial differences in maillary artery with lateral pterygoid

Answer 13

japanese vs caucasion

Question 14

intraoral method for

Answer 14

depth 20-30 mm

Question 15

intraoral method for

Answer 15

palpate inferior head

20-30 mm

Question 16

intraoral method for

Answer 16

palpate inferior head

20-30 mm

Question 17

extraoral method for the lateral pterygoid

Answer 17

insertion point - infratemporal fossa

angulation
- vertically to the skin over the infratepomporal

perpendicular to the skin

20-25 mm through mandibular notch

Question 18

intra oral method for the medial pterygoid

Answer 18

usually due to the whack a mole phenominom

upper part is accessed via intraoral

Question 19

extra oral method for medial pterygoid

Answer 19

10-15 mm

insertion point - inside the mandibular angle

angulation - parallel

Question 20

sialorrhea + who likely to have this problem

Answer 20

indication for botulinum toxin

10-70% of people with parkinsons affected by drooling

Question 21

lip asymmetry

Answer 21

indication fo botulinum toxin

usually affected side is not depressing
- depressor labi –> not as functional so if it was - would be pulling it down

Question 22

second pic about lip assymetry

Answer 22

both upper and lower activation - so both injected to get the result

Question 23

masseteric hypertrophy

Answer 23

indication for botulinum toxin

common in asains

Question 24

hemifacial spasm is?
causes?
prevelance?

Answer 24

indication for bot a toxin use

this is a frequent, involuntary muscular contractions on one side of the face
male = female affected
more common in males older

causes - facial n injury, tumor, or no apparent etiology; often cause by blood vessel pressing on facial n at brainstem

preveleance male 114/5 per 100,000 and female 7/4 per 100,000

Question 25

whack a mole phenomenon

Answer 25

with repeated bonta tx - muscles that perform the same function can become dystonic

Question 26

spasms and dystonias are considered?

general

Answer 26

uncommon

Question 27

sialorrhea more common in?

Answer 27

accessory parotid gland and parotid gland

Question 28

connection of sialorrhea with?

Answer 28

literature suggests 10-70% people with parkinons affected by drooling

Question 29

muscles affected in assymmetrical smiles

Answer 29

levator labii and depressor labii

if lower left lip seems too high (like covering teeth on upper - then most likely a problem with that left side - bottom muscle

Question 30

masseteric hypertrophy

Answer 30

use for toxin

more common in asains