OBJECTIVEA new injury severity score system was proposed in this study to evaluate maxillofacial injuries.

METHODSBased on AIS-90, all clinical samples were given diagnosis. Their month opening limitation, malocclusion and facial deformity were recorded as indices in scoring system. Severity injury scores for different groups and types were statistically. analyzed.

RESULTSIt was demonstrated that there was a significant difference in scores between injuries of soft tissue and bone tissue and between different fracture groups.

CONCLUSIONSThe proposed scoring was system useful to predict the cost of medical care and the days of in-patient, reliable, sensitive and specific in evaluation the maxillofacial injury severity.