结论：用个别托盘技术，口腔局部使用含氟凝胶，并配合口腔护理，可达到理想的近远期预防放射龋效果。

Conclusions: the local application of fluoride gel with special complete tray assisting with oral care could lead to the desirable therapeutic effect for preventing radiation caries.

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治疗中，患者临睡前将10%过氧化脲注入髓室及个别托盘的储药池内，从而同时从内外两侧对无髓牙进行漂白。

The 10% carbamide peroxide was injected into the chamber of the nonvital teeth and the reservoirs of the custom fitted trays. The nonvital teeth were bleached from both the inside and the outside.

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