JVD 2017-2 Regional Nerve Blocks for Equine Dentistry Flashcards
What landmarks are being shown with the white dashed, black dashed and solid black arrows respectively?
Nasoincisive notch, rostral border of the facial crest anad the infraorbital foramen.
generally IOF located halfway between the other two landmarks
What is the bulge under the operator’s left thumb, what nerve block is being performed?
levator labii superioris muscle. Need to move it out of the way to approach this block, infraorbital nerve block
What nerve is being blocked here and what is the name for this technique?
Maxillary nerve, Extraperiorbital fat body injection technique
What size and type of needle should be used for this technique?
To what depth should it be inserted?
Tuohy (or spinal) needle, 89mm length.
38-50 mm, or until distinctive ‘pop’ felt when crossing deep fascial plane
What is the anatomic name for the region where this block is deposited?
pterygopalatine fossa
How much local should be deposited with this technique?
10 - 20 mL
How much local should be deposited with this technique?
3 mL into the canal
What block is pictured?
How much local should be deposited?
What size needle should be used?
Mental nerve block
3 mL into the canal
25g x 25 mm (same as for infraorbital)
Which block is shown and What are the landmarks described for the extraoral approach?
Inferior alveolar
Point of intersect between a line along the coronal surface of mandibular cheek teeth and an imaginary vertical line from the latreal canthus of the eye and the ventral mandible, on the medial side of the mandible
7.5-10 cm in depth.
what needle depth and what volume of block for the extraoral and intraoral approach shown here?
extraoral approach 7.5-10 cm and 10 mL
intraoral approach 19-25 mm depth (length of butterfly catheter) and 10-12 mL
