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Fig. 1 | BMC Oral Health

Fig. 1

From: Classifying and standardizing panfacial trauma according to anatomic categories and Facial Injury Severity Scale: a 10-year retrospective study

Fig. 1

Four subunits of the facial skeleton. F: frontal unit, contains frontal bone/sinus, orbital roof. U: upper midface unit, contains lateral orbital wall, medial orbital wall, orbital floor, nasal bone, NOE area, and zygomatic arch. L: lower midface unit, contains maxillary sinus, bony palate, Le fort I. M: mandibular unit, contains all mandible. ZMC fractures, Le Fort II fractures, or Le Fort III fractures were counted as fractures of both the U and L subunits

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BMC Oral Health

ISSN: 1472-6831

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