name: takafumi hayashi, d.
infection from maxillary premolars can pass upwards .posteriorly through infraorbital.
this space infection had crossed into the caninus space that is continuous with.
canine space infection is evidenced by anterior cheek swelling with loss of the nasolabial fold .possible extension to the infraorbital region.
in this space, the penetration is very easy, it is necessary to advance of 20 mm.
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