Which muscles and teeth for canine ( infraorbital ) space ?
- levator labii superioris ( superior border )
- levator anguli oris muscles ( inferior border )
** canines , premolars **
How incision of canine fossa done ?
Intraorally : at the mucobuccal fold (parallel to the alveolar bone), in the canine region
Extraorally : along nasolabial fold
Buccal space with which spaces communicate ?
**Superiorly, it communicates with the pterygopalatine
space;
**inferiorly with the pterygomandibular space.
Buccal space incision ?
Intraorally»_space;> posterior region of the mouth, in an anteroposterior direction and very carefully in order to avoid injury of the parotid duct.
horizontal incision just above the depth of vestibule.
Why buccal space in most cases intraoral incision ?
- Because the abscess fluctuates intraorally in the majority of cases.
- To avoid injuring the facial nerve.
- For esthetic reasons.
How buccal space extraoral incision done ?
Extraoral : incision below the fluctuate to obtain dependent drainage .
Or below the lower border of mandible ( approximately 2 cm below and parallel to the inferior border of the mandible )
How infratemporal space get infected ?
- infected root canals of posterior teeth of the maxilla
- by way of the pterygomandibular space
3.result of a posterior superior alveolar nerve
block
What’s infratemporal space clinical presentation?
- Trismus and pain during
2.opening of the mouth with lateral deviation towards the affected side - edema at the region anterior to the ear which extends above the zygomatic arch
edema of the eyelids
How infratemporal space incision done ?
Intraorally : at the depth of the mucobuccal fold, and, more specifically, laterally (buccally) to the maxillary third molar and medially to the coronoid process, in a superoposterior direction.
Extraorally : on the skin in a superior direction, and extends approximately 3 cm.
The starting point of the incision is the angle created by the junction of the frontal and temporal processes of the zygomatic bone.
With which hemostste infratemporal space done ?
curved hemostat, which is inserted through the skin into the purulent accumulation.
How does temporal space get infected ?
spread of infection from the infratemporal space
How temporal space incision done ?
Extraoral : horizontally, at the margin of the scalp hair and approximately 3 cm above the zygomatic arch.
** then ** continues carefully between the two layers of the temporal fascia as far as the temporalis muscle.
Intraoral drain incision in upper part of internal ramus along the ramus not Medially if you go Medially to Coronoid you drain the pus from inftratemporal space
Which hemostat for temporal space ?
Curved
Which muscle form the roof of Pterygomandibular space ?
Lateral pterygoid muscle
