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Background The prevalence of dental injuries (DI) in polytrauma patients is unknown. The purpose of our study was to identify the frequency of dental injuries on whole body CTs acquired in a trauma setting and to estimate how often they are correctly reported by the radiologist. Methods In the time period between 2006 and 2018 the radiological database of one university hospital was screened for whole-body trauma CTs. A total of 994 CTs were identified and re-evaluated. Results Dental injuries were identified in 127 patients (12.8% of patients). There were 27 women (21.3%) and 100 men (78.7%) with a mean age of 51.0 ± 18.9 years (range 10–96 years). Regarding localization, most findings involved the molars ( n  = 107, 37.4%), followed by the incisors ( n  = 81, 28.3%), premolars ( n  = 59, 20.6%) and canines ( n  = 39, 13.7%). Most common findings were as follows: luxations ( n  = 49, 45.8%), followed by crown fractures ( n  = 46, 43%), root fractures ( n  = 10, 9.3%), extrusions ( n  = 1, 0.9%), and intrusions ( n  = 1, 0.9%). Only 15 findings (11.8% of all patients with dental injuries) were described in the original radiological reports. Conclusion DI had a high occurrence in polytrauma patients. A high frequency of underreported dental trauma findings was identified. Radiologists reporting whole-body trauma CT should be aware of possible dental trauma to report the findings adequately.

Dental Trauma on whole Body Trauma CT—An underreported finding