Similarly, V2 may be involved at the cavernous sinus, pterygopalatine fossa (which houses the pterygopalatine ganglion), the pterygomaxillary
fissure en route to the infratemporal fossa, or in the roof of the maxillary sinus (infra-orbital nerve).
However our findings were not in agreement with their data, as we found non-significant changes in above-mentioned soft tissue measurements despite the forward movement of maxilla which can be explained with the rotational movement of the maxillary halves in RME and SARME in which the pterygomaxillary
disjunction was avoided, as previously theorized (9, 37).
Ortiz-Monasterio et al left the pterygomaxillary
junction of the unaffected side nasal septum and nasal spine intact in their surgical procedure to act as a pivot point and improve the stability of the midface5.
It is also important that the maxillary tray extends posteriorly to cover the area of the vibrating line and the pterygomaxillary
fissures while the mandibular tray covers the retromolarpads.
It is emphasized that an additional CT scan should be preferred for large lesions extending to the nasal cavity or orbital or pterygomaxillary
Magnetic resonance imaging (MRI) (figure 1, A) and computed tomography (CT) demonstrated the presence of a large tumor that involved the pterygopalatine foramen, pterygomaxillary
fissure, infratemporal fossa, cheek area, sphenoid sinus, and orbital apex.
Pseudotumor of the pterygomaxillary
space presenting as anesthesia of the mandibular nerve.
(1,7-11) It was during this time that we gained the present knowledge that high traction forces result in better vertical control; that the resistance center of the nasomaxillary complex is located on the pterygomaxillary
fissure, more specifically on its posterosuperior ridge; that the resistance center of the upper dental arch is a point resulting from the intersection of the prolongation of the dental axes; and that the combination of these factors determines the different vectors of displacement toward the maxilla and the teeth.
Some of the blocks described are rarely performed now, for example blocking the mandibular nerve at the foramen ovale or the maxillary nerve via the pterygomaxillary
fossa, while several chapters are devoted to regional blockade of the head and neck for major surgery including neck dissection and laryngectomy.
Stage IIB: Full occupation of the pterygomaxillary
fossa with or without superior erosion of orbital bones.
The anteromedial aspect corresponds to the posterior aspect of the maxilla and the posteroinferior aspect to the pterygomaxillary