Decreased radiation doses to tongue with "stick-out" tongue position over neutral tongue position in head and neck cancer patients who refused or could not tolerate an intraoral device (bite-block, tongue blade, or mouthpiece) due to trismus, gag reflex, or discomfort during intensity-modulated radiation therapy

对于因牙关紧闭、恶心反射或强度调制放射治疗期间的不适而拒绝或无法耐受口腔内装置（咬合块、压舌板或口含器）的头颈癌患者，与舌位保持中立位相比，采用“伸出舌”位可降低舌头受到的辐射剂量。