咬肌是最敏感的肌肉之一，张口困难是最常见的早期症状之一。
The masseter muscle is one of the most sensitive muscles, and trismus is one of the earliest symptoms.
结果使用咬合块后，洁治中患者持续张口困难改善，关节、肌肉放松。
Results Their difficulties in opening mouth were improved after the use of bite blocks, and the joints and the muscles were relaxed.
目的探讨早期康复训练对鼻咽癌病人接受根治性放射治疗后张口困难的防治效果。
Objective to observe the preventive effectiveness of early rehabilitation training to difficulty in opening mouth following radical radiotherapy in the patients with nasopharyngeal carcinoma.
低氧放疗能否降低鼻咽癌患者放射性脑病及严重张口困难等后遗症的发生率，尚难以推断。
Whether hypoxic radiotherapy can reduce the rate of the sequela such as the difficulty in opening mouth and radiation induced-encephalopathy is difficult to deduce.
摘 要：目的：观察鼻咽癌患者放疗后张口困难的情况，探讨影响放射性颞颌关节损伤的有关因素。
Objective:The aim of this study was to evaluate radiation- induced temporomandibular joint damage in the patients with nasopharyngeal carcinoma, and its correlative factors were analyzed.
摘 要：目的：观察鼻咽癌患者放疗后张口困难的情况，探讨影响放射性颞颌关节损伤的有关因素。
Objective:The aim of this study was to evaluate radiation- induced temporomandibular joint damage in the patients with nasopharyngeal carcinoma, and its correlative factors were analyzed.
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