Fig. 1From: 3D-printed individualized tooth-borne tissue retraction devices compared to conventional dental splints for head and neck cancer radiotherapy: a randomized controlled triala T1 contrast-enhanced fat-saturated magnetic resonance imaging of a patient with sarcoma of the paranasal sinuses without tissue retraction device (TRD). b, c Contrast-enhanced computed tomography of the same patient with TRD. d Radiation treatment plan with TRD in situ. e Oral mucositis CTC grade III in the high-dose area of the radiation field. f Nonirritated tongue surface directly opposite the high-dose area of the radiation fieldBack to article page