Orthognathic Surgery- Maxilla

Question 1

Fracture of just the maxilla, right above the apices of the maxillary teeth.

Answer 1

Le Fort I

Question 2

We usually remove these in a LeFort I osteotomy.

Answer 2

Inferior nasal turbinades.

Question 3

Maxillary procedures for orthognathic surgery.

Answer 3

1) Segmental procedures
2) Surgically assisted rapid palatal (maxillary) expansion.
3) Lefort 1, 2, or 3.
4) Distraction osteogenesis

Question 4

A subapical osteotomy is what type of orthognathic procedure?

Answer 4

Segmental

Question 5

Palate is expanded by making a cut down the median palatine suture, and placing a Rapid Palate Expander to hold it in place.

Answer 5

Surgically assisted RPE.

Question 6

These are often removed with a Lefort 1 osteotomy.

Answer 6

Inferior nasal turbinades

Question 7

Cuts that are made in a Lefort 1 osteotomy.

Answer 7

1) Anterior maxillary wall
2) Lateral-Posterior maxillary wall
3) Medial wall
4) Pterygopalatine wall

Question 8

High chance of relapse with this maxillary orthognathic procedure.

Answer 8

Maxilla down

Question 9

Widening the maxilla while moving it forward.

Answer 9

Distraction osteogenesis

Question 10

Procedure for mandibular setbacks.

Answer 10

Vertical Ramus Osteotomy

Question 11

Almost no risk of injuring the IAN in this mandibular osteotomy procedure.

Answer 11

Intraoral Vertical Ramus Osteotomy

bc the cut is made posterior to the IAN’s lingual foramen.

Question 12

The cut for this mandibular osteotomy in POSTERIOR to the IAN.

Answer 12

Intraoral Vertical Ramus osteotomy.

Question 13

The cut for this mandibular osteotomy is ANTERIOR to the IAN.

Answer 13

Sagittal Split Osteotomy

Question 14

There’s 100% chance of short-term paresthesia with this kind of mandibular osteotomy.

Answer 14

Sagittal Split

Question 15

Osteotomy for mandibular ADVANCEMENT.

Answer 15

Sagittal Split

Question 16

Osteotomy that LOWERS the height of the mandible.

Answer 16

Mandibular Subapical Osteotomy