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Clinical features of masticator-space abscess (MSA) are very similar to those of parotitis or temporomandibular disorder (TMD), making early differential diagnosis difficult. Local causes of MSA include nerve block anesthesia, infection after tooth extraction, and trauma to the temporomandibular joint (TMJ); the systemic cause is immunodeficiency.(More)
Many types of complications occur after intraoral local anesthesia; however, visual loss is a rare one. There have been only a few case reports of visual disturbance after intraoral local anesthesia. A 67-year-old man with systemic hypertension complained of visual disturbance after a dental local injection for circumzygomatic and circum-mandibular wire(More)
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